mbed - The official Mbed 2 C/C++ SDK provides the softwa…

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mbed official / mbed
The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.
Dependents: hello SerialTestv11 SerialTestv12 Sierpinski ... more
mbed 2

This is the mbed 2 library. If you'd like to learn about Mbed OS please see the mbed-os docs.
Diff: targets.json

Revision:: 123:b0220dba8be7
Parent:: 122:f9eeca106725
Child:: 124:2241e3a39974
--- a/targets.json	Thu Jul 07 14:34:11 2016 +0100
+++ b/targets.json	Fri Aug 12 13:04:35 2016 +0200
@@ -10,8 +10,7 @@
         "features": [],
         "detect_code": [],
         "public": false,
-        "default_build": "standard",
-        "release": false
+        "default_build": "standard"
     },
     "CM4_UARM": {
         "inherits": ["Target"],
@@ -19,15 +18,13 @@
         "default_toolchain": "uARM",
         "public": false,
         "supported_toolchains": ["uARM"],
-        "default_build": "small",
-        "release": false
+        "default_build": "small"
     },
     "CM4_ARM": {
         "inherits": ["Target"],
         "core": "Cortex-M4",
         "public": false,
-        "supported_toolchains": ["ARM"],
-        "release": false
+        "supported_toolchains": ["ARM"]
     },
     "CM4F_UARM": {
         "inherits": ["Target"],
@@ -35,21 +32,18 @@
         "default_toolchain": "uARM",
         "public": false,
         "supported_toolchains": ["uARM"],
-        "default_build": "small",
-        "release": false
+        "default_build": "small"
     },
     "CM4F_ARM": {
         "inherits": ["Target"],
         "core": "Cortex-M4F",
         "public": false,
-        "supported_toolchains": ["ARM"],
-        "release": false
+        "supported_toolchains": ["ARM"]
     },
     "LPCTarget": {
         "inherits": ["Target"],
         "post_binary_hook": {"function": "LPCTargetCode.lpc_patch"},
-        "public": false,
-        "release": false
+        "public": false
     },
     "LPC11C24": {
         "inherits": ["LPCTarget"],
@@ -70,7 +64,7 @@
         },
         "device_has": ["ANALOGIN", "ERROR_PATTERN", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
         "default_build": "small",
-        "release": true
+        "release_versions": ["2"]
     },
     "LPC11U24": {
         "inherits": ["LPCTarget"],
@@ -84,7 +78,7 @@
         "detect_code": ["1040"],
         "device_has": ["ANALOGIN", "ERROR_PATTERN", "I2C", "I2CSLAVE", "INTERRUPTIN", "LOCALFILESYSTEM", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "SEMIHOST", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
         "default_build": "small",
-        "release": true
+        "release_versions": ["2"]
     },
     "OC_MBUINO": {
         "inherits": ["LPC11U24"],
@@ -94,7 +88,7 @@
         },
         "extra_labels": ["NXP", "LPC11UXX"],
         "device_has": ["ANALOGIN", "ERROR_PATTERN", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "release": true
+        "release_versions": ["2"]
     },
     "LPC11U24_301": {
         "inherits": ["LPCTarget"],
@@ -116,7 +110,7 @@
         "inherits": ["LPC11U34_421"],
         "macros": ["LPC11U34_421", "APPNEARME_MICRONFCBOARD"],
         "extra_labels_add": ["APPNEARME_MICRONFCBOARD"],
-        "release": true
+        "release_versions": ["2"]
     },
     "LPC11U35_401": {
         "inherits": ["LPCTarget"],
@@ -129,7 +123,7 @@
         },
         "device_has": ["ANALOGIN", "ERROR_PATTERN", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "SERIAL", "SLEEP", "SPI", "SPISLAVE"],
         "default_build": "small",
-        "release": true
+        "release_versions": ["2"]
     },
     "LPC11U35_501": {
         "inherits": ["LPCTarget"],
@@ -142,7 +136,7 @@
         },
         "device_has": ["ANALOGIN", "ERROR_PATTERN", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "SERIAL", "SLEEP", "SPI", "SPISLAVE"],
         "default_build": "small",
-        "release": true
+        "release_versions": ["2"]
     },
     "LPC11U35_501_IBDAP": {
         "inherits": ["LPCTarget"],
@@ -167,7 +161,7 @@
         },
         "device_has": ["ANALOGIN", "ERROR_PATTERN", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "SERIAL", "SLEEP", "SPI", "SPISLAVE"],
         "default_build": "small",
-        "release": true
+        "release_versions": ["2"]
     },
     "LPC11U35_Y5_MBUG": {
         "inherits": ["LPCTarget"],
@@ -211,7 +205,7 @@
         },
         "device_has": ["ANALOGIN", "ERROR_PATTERN", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "SERIAL", "SLEEP", "SPI", "SPISLAVE"],
         "default_build": "small",
-        "release": true
+        "release_versions": ["2"]
     },
     "LPC11U68": {
         "supported_form_factors": ["ARDUINO"],
@@ -226,7 +220,7 @@
         "detect_code": ["1168"],
         "device_has": ["ANALOGIN", "ERROR_RED", "I2C", "I2CSLAVE", "INTERRUPTIN", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI"],
         "default_build": "small",
-        "release": true
+        "release_versions": ["2"]
     },
     "LPC1347": {
         "inherits": ["LPCTarget"],
@@ -235,7 +229,7 @@
         "extra_labels": ["NXP", "LPC13XX"],
         "supported_toolchains": ["ARM", "GCC_ARM", "IAR"],
         "device_has": ["ANALOGIN", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "release": true
+        "release_versions": ["2"]
     },
     "LPC1549": {
         "supported_form_factors": ["ARDUINO"],
@@ -250,7 +244,7 @@
         "detect_code": ["1549"],
         "device_has": ["ANALOGIN", "ANALOGOUT", "CAN", "I2C", "INTERRUPTIN", "PWMOUT", "RTC", "SERIAL", "SERIAL_FC", "SPI", "SPISLAVE"],
         "default_build": "small",
-        "release": true
+        "release_versions": ["2"]
     },
     "LPC1768": {
         "inherits": ["LPCTarget"],
@@ -260,7 +254,7 @@
         "progen": {"target": "mbed-lpc1768"},
         "detect_code": ["1010"],
         "device_has": ["ANALOGIN", "ANALOGOUT", "CAN", "DEBUG_AWARENESS", "ERROR_PATTERN", "ETHERNET", "I2C", "I2CSLAVE", "INTERRUPTIN", "LOCALFILESYSTEM", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SEMIHOST", "SERIAL", "SERIAL_FC", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "release": true
+        "release_versions": ["2", "5"]
     },
     "ARCH_PRO": {
         "supported_form_factors": ["ARDUINO"],
@@ -271,7 +265,7 @@
         "inherits": ["LPCTarget"],
         "progen": {"target": "arch-pro"},
         "device_has": ["ANALOGIN", "ANALOGOUT", "CAN", "DEBUG_AWARENESS", "ERROR_PATTERN", "ETHERNET", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_FC", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "release": true
+        "release_versions": ["2", "5"]
     },
     "UBLOX_C027": {
         "supported_form_factors": ["ARDUINO"],
@@ -282,7 +276,7 @@
         "inherits": ["LPCTarget"],
         "progen": {"target": "ublox-c027"},
         "device_has": ["ANALOGIN", "ANALOGOUT", "CAN", "DEBUG_AWARENESS", "ERROR_RED", "ETHERNET", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_FC", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "release": true
+        "release_versions": ["2", "5"]
     },
     "XBED_LPC1768": {
         "inherits": ["LPCTarget"],
@@ -300,8 +294,7 @@
         "progen": {"target": "lpc2368"},
         "extra_labels": ["NXP", "LPC23XX"],
         "supported_toolchains": ["GCC_ARM", "GCC_CR"],
-        "device_has": ["ANALOGIN", "ANALOGOUT", "CAN", "ERROR_PATTERN", "ETHERNET", "I2C", "I2CSLAVE", "INTERRUPTIN", "LOCALFILESYSTEM", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SEMIHOST", "SERIAL", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "release": true
+        "device_has": ["ANALOGIN", "ANALOGOUT", "CAN", "ERROR_PATTERN", "ETHERNET", "I2C", "I2CSLAVE", "INTERRUPTIN", "LOCALFILESYSTEM", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SEMIHOST", "SERIAL", "SPI", "SPISLAVE", "STDIO_MESSAGES"]
     },
     "LPC2460": {
         "inherits": ["LPCTarget"],
@@ -309,8 +302,7 @@
         "progen": {"target": "lpc2460"},
         "extra_labels": ["NXP", "LPC2460"],
         "supported_toolchains": ["GCC_ARM"],
-        "device_has": ["ANALOGIN", "ANALOGOUT", "CAN", "ERROR_PATTERN", "ETHERNET", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "release": true
+        "device_has": ["ANALOGIN", "ANALOGOUT", "CAN", "ERROR_PATTERN", "ETHERNET", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SPI", "SPISLAVE", "STDIO_MESSAGES"]
     },
     "LPC810": {
         "inherits": ["LPCTarget"],
@@ -339,7 +331,7 @@
         "detect_code": ["1050"],
         "device_has": ["ERROR_RED", "I2C", "I2CSLAVE", "INTERRUPTIN", "PWMOUT", "SERIAL", "SERIAL_FC", "SLEEP", "SPI", "SPISLAVE"],
         "default_build": "small",
-        "release": true
+        "release_versions": ["2"]
     },
     "LPC824": {
         "supported_form_factors": ["ARDUINO"],
@@ -354,7 +346,7 @@
         },
         "device_has": ["ANALOGIN", "ERROR_RED", "I2C", "I2CSLAVE", "INTERRUPTIN", "PWMOUT", "SERIAL", "SLEEP", "SPI", "SPISLAVE"],
         "default_build": "small",
-        "release": true
+        "release_versions": ["2"]
     },
     "SSCI824": {
         "inherits": ["LPCTarget"],
@@ -368,7 +360,7 @@
         },
         "device_has": ["ANALOGIN", "ERROR_RED", "I2C", "I2CSLAVE", "INTERRUPTIN", "PWMOUT", "SERIAL", "SLEEP", "SPI", "SPISLAVE"],
         "default_build": "small",
-        "release": true
+        "release_versions": ["2"]
     },
     "LPC4088": {
         "inherits": ["LPCTarget"],
@@ -382,11 +374,11 @@
         },
         "progen": {"target": "lpc4088"},
         "device_has": ["ANALOGIN", "ANALOGOUT", "CAN", "DEBUG_AWARENESS", "ERROR_PATTERN", "ETHERNET", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "release": true
+        "release_versions": ["2", "5"]
     },
     "LPC4088_DM": {
         "inherits": ["LPC4088"],
-        "release": true
+        "release_versions": ["2", "5"]
     },
     "LPC4330_M4": {
         "inherits": ["LPCTarget"],
@@ -410,7 +402,7 @@
         "extra_labels": ["NXP", "LPC43XX", "LPC4337"],
         "supported_toolchains": ["ARM"],
         "device_has": ["ANALOGIN", "ANALOGOUT", "DEBUG_AWARENESS", "ERROR_RED", "ETHERNET", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "release": true
+        "release_versions": ["2"]
     },
     "LPC1800": {
         "inherits": ["LPCTarget"],
@@ -431,7 +423,7 @@
         },
         "device_has": ["ANALOGIN", "ERROR_PATTERN", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "SERIAL", "SLEEP", "SPI", "SPISLAVE"],
         "default_build": "small",
-        "release": true
+        "release_versions": ["2"]
     },
     "ELEKTOR_COCORICO": {
         "core": "Cortex-M0+",
@@ -459,7 +451,7 @@
         },
         "device_has": ["ANALOGIN", "ANALOGOUT", "ERROR_RED", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SEMIHOST", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
         "default_build": "small",
-        "release": true
+        "release_versions": ["2"]
     },
     "KL25Z": {
         "supported_form_factors": ["ARDUINO"],
@@ -470,8 +462,8 @@
         "inherits": ["Target"],
         "progen": {"target": "frdm-kl25z"},
         "detect_code": ["0200"],
-        "device_has": ["ANALOGIN", "ANALOGOUT", "ERROR_RED", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SEMIHOST", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "release": true
+        "device_has": ["ANALOGIN", "ANALOGOUT", "ERROR_RED", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "SEMIHOST", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
+        "release_versions": ["2", "5"]
     },
     "KL26Z": {
         "supported_form_factors": ["ARDUINO"],
@@ -492,7 +484,7 @@
         "inherits": ["Target"],
         "progen": {"target": "frdm-kl43z"},
         "device_has": ["ANALOGIN", "ANALOGOUT", "ERROR_RED", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SEMIHOST", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "release": true
+        "release_versions": ["2"]
     },
     "KL46Z": {
         "supported_form_factors": ["ARDUINO"],
@@ -504,7 +496,7 @@
         "progen": {"target": "frdm-kl46z"},
         "detect_code": ["0220"],
         "device_has": ["ANALOGIN", "ANALOGOUT", "ERROR_RED", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SEMIHOST", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "release": true
+        "release_versions": ["2", "5"]
     },
     "K20D50M": {
         "inherits": ["Target"],
@@ -515,7 +507,7 @@
         "progen": {"target": "frdm-k20d50m"},
         "detect_code": ["0230"],
         "device_has": ["ANALOGIN", "ERROR_RED", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SEMIHOST", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "release": true
+        "release_versions": ["2"]
     },
     "TEENSY3_1": {
         "inherits": ["Target"],
@@ -531,7 +523,7 @@
         "progen": {"target": "teensy-31"},
         "detect_code": ["0230"],
         "device_has": ["ANALOGIN", "ANALOGOUT", "ERROR_RED", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SEMIHOST", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "release": true
+        "release_versions": ["2"]
     },
     "K22F": {
         "supported_form_factors": ["ARDUINO"],
@@ -544,7 +536,7 @@
         "progen": {"target": "frdm-k22f"},
         "detect_code": ["0231"],
         "device_has": ["ANALOGIN", "ANALOGOUT", "ERROR_RED", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "release": true
+        "release_versions": ["2", "5"]
     },
     "KL27Z": {
         "inherits": ["Target"],
@@ -559,7 +551,7 @@
         "progen_target": {"target": "frdm-kl27z"},
         "device_has": ["ANALOGIN", "ERROR_RED", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
         "default_build": "standard",
-        "release": true
+        "release_versions": ["2"]
     },
     "K64F": {
         "supported_form_factors": ["ARDUINO"],
@@ -571,15 +563,15 @@
         "inherits": ["Target"],
         "progen": {"target": "frdm-k64f"},
         "detect_code": ["0240"],
-        "device_has": ["ANALOGIN", "ANALOGOUT", "ERROR_RED", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES", "STORAGE"],
-        "features": ["IPV4"],
-        "release": true
+        "device_has": ["ANALOGIN", "ANALOGOUT", "ERROR_RED", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_FC", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES", "STORAGE"],
+        "features": ["IPV4", "STORAGE"],
+        "release_versions": ["2", "5"]
     },
     "MTS_GAMBIT": {
         "inherits": ["Target"],
         "core": "Cortex-M4F",
         "supported_toolchains": ["ARM", "GCC_ARM"],
-        "extra_labels": ["Freescale", "KSDK2_MCUS", "K64F", "KPSDK_MCUS", "KPSDK_CODE", "MCU_K64F"],
+        "extra_labels": ["Freescale", "KSDK2_MCUS", "KPSDK_MCUS", "KPSDK_CODE", "MCU_K64F"],
         "is_disk_virtual": true,
         "macros": ["CPU_MK64FN1M0VMD12", "FSL_RTOS_MBED", "TARGET_K64F"],
         "progen": {"target": "mts-gambit"},
@@ -588,28 +580,28 @@
     "HEXIWEAR": {
         "inherits": ["Target"],
         "core": "Cortex-M4F",
-        "extra_labels": ["Freescale", "KSDK2_MCUS", "K64F"],
+        "extra_labels": ["Freescale", "KSDK2_MCUS", "MCU_K64F"],
         "supported_toolchains": ["ARM", "GCC_ARM", "IAR"],
         "macros": ["CPU_MK64FN1M0VMD12", "FSL_RTOS_MBED", "TARGET_K64F"],
         "is_disk_virtual": true,
         "default_toolchain": "ARM",
         "detect_code": ["0214"],
         "progen": {"target": "hexiwear-k64f"},
-        "device_has": ["ANALOGIN", "ANALOGOUT", "ERROR_RED", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "default_build": "standard"
+        "device_has": ["ANALOGIN", "ANALOGOUT", "ERROR_RED", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_FC", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
+        "default_build": "standard",
+        "release_versions": ["2", "5"]
     },
     "NUCLEO_F030R8": {
         "supported_form_factors": ["ARDUINO", "MORPHO"],
         "core": "Cortex-M0",
-        "default_toolchain": "uARM",
+        "default_toolchain": "ARM",
         "extra_labels": ["STM", "STM32F0", "STM32F030R8"],
         "supported_toolchains": ["ARM", "uARM", "IAR", "GCC_ARM"],
         "inherits": ["Target"],
         "progen": {"target": "nucleo-f030r8"},
         "detect_code": ["0725"],
         "device_has": ["ANALOGIN", "I2C", "I2CSLAVE", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "default_build": "small",
-        "release": true
+        "release_versions": ["2"]
     },
     "NUCLEO_F031K6": {
         "supported_form_factors": ["ARDUINO"],
@@ -622,7 +614,7 @@
         "detect_code": ["0791"],
         "device_has": ["ANALOGIN", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "RTC_LSI", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
         "default_build": "small",
-        "release": true
+        "release_versions": ["2"]
     },
     "NUCLEO_F042K6": {
         "supported_form_factors": ["ARDUINO"],
@@ -635,150 +627,151 @@
         "detect_code": ["0785"],
         "device_has": ["ANALOGIN", "CAN", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "RTC_LSI", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
         "default_build": "small",
-        "release": true
+        "release_versions": ["2"]
     },
     "NUCLEO_F070RB": {
         "supported_form_factors": ["ARDUINO", "MORPHO"],
         "core": "Cortex-M0",
-        "default_toolchain": "uARM",
+        "default_toolchain": "ARM",
         "extra_labels": ["STM", "STM32F0", "STM32F070RB"],
         "supported_toolchains": ["ARM", "uARM", "IAR", "GCC_ARM"],
         "inherits": ["Target"],
         "progen": {"target": "nucleo-f070rb"},
         "detect_code": ["0755"],
         "device_has": ["ANALOGIN", "I2C", "I2CSLAVE", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "default_build": "small",
-        "release": true
+        "release_versions": ["2", "5"]
     },
     "NUCLEO_F072RB": {
         "supported_form_factors": ["ARDUINO", "MORPHO"],
         "core": "Cortex-M0",
-        "default_toolchain": "uARM",
+        "default_toolchain": "ARM",
         "extra_labels": ["STM", "STM32F0", "STM32F072RB"],
         "supported_toolchains": ["ARM", "uARM", "IAR", "GCC_ARM"],
         "inherits": ["Target"],
         "progen": {"target": "nucleo-f072rb"},
         "detect_code": ["0730"],
         "device_has": ["ANALOGIN", "ANALOGOUT", "CAN", "I2C", "I2CSLAVE", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "default_build": "small",
-        "release": true
+        "release_versions": ["2", "5"]
     },
     "NUCLEO_F091RC": {
         "supported_form_factors": ["ARDUINO", "MORPHO"],
         "core": "Cortex-M0",
-        "default_toolchain": "uARM",
+        "default_toolchain": "ARM",
         "extra_labels": ["STM", "STM32F0", "STM32F091RC"],
         "supported_toolchains": ["ARM", "uARM", "IAR", "GCC_ARM"],
         "inherits": ["Target"],
         "progen": {"target": "nucleo-f091rc"},
         "detect_code": ["0750"],
         "device_has": ["ANALOGIN", "ANALOGOUT", "CAN", "I2C", "I2CSLAVE", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "default_build": "small",
-        "release": true
+        "release_versions": ["2", "5"]
     },
     "NUCLEO_F103RB": {
         "supported_form_factors": ["ARDUINO", "MORPHO"],
         "core": "Cortex-M3",
-        "default_toolchain": "uARM",
+        "default_toolchain": "ARM",
         "extra_labels": ["STM", "STM32F1", "STM32F103RB"],
         "supported_toolchains": ["ARM", "uARM", "GCC_ARM", "IAR"],
         "inherits": ["Target"],
         "progen": {"target": "nucleo-f103rb"},
         "detect_code": ["0700"],
         "device_has": ["ANALOGIN", "CAN", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "default_build": "small",
-        "release": true
+        "release_versions": ["2", "5"]
+    },
+    "NUCLEO_F207ZG": {
+        "supported_form_factors": ["ARDUINO", "MORPHO"],
+        "core": "Cortex-M3",
+        "default_toolchain": "ARM",
+        "extra_labels": ["STM", "STM32F2", "STM32F207ZG"],
+        "supported_toolchains": ["ARM", "uARM", "IAR", "GCC_ARM"],
+        "inherits": ["Target"],
+        "progen": {"target": "nucleo-f207zg"},
+        "detect_code": ["0835"],
+        "device_has": ["ANALOGIN", "ANALOGOUT", "CAN", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
+        "release_versions": ["2"]
     },
     "NUCLEO_F302R8": {
         "supported_form_factors": ["ARDUINO", "MORPHO"],
         "core": "Cortex-M4F",
-        "default_toolchain": "uARM",
+        "default_toolchain": "ARM",
         "extra_labels": ["STM", "STM32F3", "STM32F302R8"],
         "supported_toolchains": ["ARM", "uARM", "IAR", "GCC_ARM"],
         "inherits": ["Target"],
         "progen": {"target": "nucleo-f302r8"},
         "detect_code": ["0705"],
         "device_has": ["ANALOGIN", "ANALOGOUT", "CAN", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "default_build": "small",
-        "release": true
+        "release_versions": ["2"]
     },
     "NUCLEO_F303K8": {
         "supported_form_factors": ["ARDUINO"],
         "core": "Cortex-M4F",
-        "default_toolchain": "uARM",
+        "default_toolchain": "ARM",
         "extra_labels": ["STM", "STM32F3", "STM32F303K8"],
         "supported_toolchains": ["ARM", "uARM", "IAR", "GCC_ARM"],
         "inherits": ["Target"],
         "progen": {"target": "nucleo-f303k8"},
         "detect_code": ["0775"],
         "device_has": ["ANALOGIN", "ANALOGOUT", "CAN", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "default_build": "small",
-        "release": true
+        "release_versions": ["2"]
     },
     "NUCLEO_F303RE": {
         "supported_form_factors": ["ARDUINO", "MORPHO"],
         "core": "Cortex-M4F",
-        "default_toolchain": "uARM",
+        "default_toolchain": "ARM",
         "extra_labels": ["STM", "STM32F3", "STM32F303RE"],
         "supported_toolchains": ["ARM", "uARM", "IAR", "GCC_ARM"],
         "inherits": ["Target"],
         "progen": {"target": "nucleo-f303re"},
         "detect_code": ["0745"],
         "device_has": ["ANALOGIN", "ANALOGOUT", "CAN", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "default_build": "small",
-        "release": true
+        "release_versions": ["2", "5"]
     },
     "NUCLEO_F334R8": {
         "supported_form_factors": ["ARDUINO", "MORPHO"],
         "core": "Cortex-M4F",
-        "default_toolchain": "uARM",
+        "default_toolchain": "ARM",
         "extra_labels": ["STM", "STM32F3", "STM32F334R8"],
         "supported_toolchains": ["ARM", "uARM", "IAR", "GCC_ARM"],
         "inherits": ["Target"],
         "progen": {"target": "nucleo-f334r8"},
         "detect_code": ["0735"],
         "device_has": ["ANALOGIN", "ANALOGOUT", "CAN", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "default_build": "small",
-        "release": true
+        "release_versions": ["2"]
     },
     "NUCLEO_F401RE": {
         "supported_form_factors": ["ARDUINO", "MORPHO"],
         "core": "Cortex-M4F",
-        "default_toolchain": "uARM",
+        "default_toolchain": "ARM",
         "extra_labels": ["STM", "STM32F4", "STM32F401RE"],
         "supported_toolchains": ["ARM", "uARM", "GCC_ARM", "IAR"],
         "inherits": ["Target"],
         "progen": {"target": "nucleo-f401re"},
         "detect_code": ["0720"],
         "device_has": ["ANALOGIN", "ERROR_RED", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_FC", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "default_build": "small",
-        "release": true
+        "release_versions": ["2", "5"]
     },
     "NUCLEO_F410RB": {
         "supported_form_factors": ["ARDUINO", "MORPHO"],
         "core": "Cortex-M4F",
-        "default_toolchain": "uARM",
+        "default_toolchain": "ARM",
         "extra_labels": ["STM", "STM32F4", "STM32F410RB"],
         "supported_toolchains": ["ARM", "uARM", "GCC_ARM", "IAR"],
         "inherits": ["Target"],
         "progen": {"target": "nucleo-f410rb"},
         "detect_code": ["0740"],
         "device_has": ["ANALOGIN", "ANALOGOUT", "ERROR_RED", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "default_build": "small",
-        "release": true
+        "release_versions": ["2", "5"]
     },
     "NUCLEO_F411RE": {
         "supported_form_factors": ["ARDUINO", "MORPHO"],
         "core": "Cortex-M4F",
-        "default_toolchain": "uARM",
+        "default_toolchain": "ARM",
         "extra_labels": ["STM", "STM32F4", "STM32F411RE"],
         "supported_toolchains": ["ARM", "uARM", "GCC_ARM", "IAR"],
         "inherits": ["Target"],
         "progen": {"target": "nucleo-f411re"},
         "detect_code": ["0740"],
         "device_has": ["ANALOGIN", "ERROR_RED", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "default_build": "small",
-        "release": true
+        "release_versions": ["2", "5"]
     },
     "ELMO_F411RE": {
         "supported_form_factors": ["ARDUINO"],
@@ -790,19 +783,19 @@
         "detect_code": ["----"],
         "device_has": ["ANALOGIN", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
         "default_build": "small",
-        "release": true
+        "release_versions": ["2"]
     },
     "NUCLEO_F429ZI": {
+        "supported_form_factors": ["ARDUINO"],
         "inherits": ["Target"],
         "core": "Cortex-M4F",
-        "default_toolchain": "uARM",
+        "default_toolchain": "ARM",
         "extra_labels": ["STM", "STM32F4", "STM32F429", "STM32F429ZI"],
         "supported_toolchains": ["ARM", "uARM", "GCC_ARM", "IAR"],
         "progen": {"target": "nucleo-f429zi"},
         "device_has": ["ANALOGIN", "ANALOGOUT", "CAN", "ERROR_RED", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "RTC_LSI", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
         "detect_code": ["0796"],
-        "default_build": "small",
-        "release": true
+        "release_versions": ["2", "5"]
     },
     "NUCLEO_F446RE": {
         "supported_form_factors": ["ARDUINO", "MORPHO"],
@@ -814,34 +807,31 @@
         "progen": {"target": "nucleo-f446re"},
         "detect_code": ["0777"],
         "device_has": ["ANALOGIN", "ANALOGOUT", "CAN", "ERROR_RED", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "default_build": "standard",
-        "release": true
+        "release_versions": ["2", "5"]
     },
     "NUCLEO_F446ZE": {
         "supported_form_factors": ["ARDUINO", "MORPHO"],
         "core": "Cortex-M4F",
-        "default_toolchain": "uARM",
+        "default_toolchain": "ARM",
         "extra_labels": ["STM", "STM32F4", "STM32F446ZE"],
         "supported_toolchains": ["ARM", "uARM", "GCC_ARM", "IAR"],
         "inherits": ["Target"],
         "progen": {"target": "nucleo-f446ze"},
         "detect_code": ["0778"],
         "device_has": ["ANALOGIN", "ANALOGOUT", "CAN", "ERROR_RED", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "default_build": "small",
-        "release": true
+        "release_versions": ["2"]
     },
 
     "B96B_F446VE": {
         "supported_form_factors": ["ARDUINO", "MORPHO"],
         "core": "Cortex-M4F",
-        "default_toolchain": "uARM",
+        "default_toolchain": "ARM",
         "extra_labels": ["STM", "STM32F4", "STM32F446VE"],
         "supported_toolchains": ["ARM", "uARM", "GCC_ARM", "IAR"],
         "inherits": ["Target"],
         "detect_code": ["0840"],
         "device_has": ["ANALOGIN", "ANALOGOUT", "CAN", "ERROR_RED", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SERIAL_ASYNCH_DMA", "SERIAL_FC", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "default_build": "small",
-        "release": true
+        "release_versions": ["2", "5"]
     },
     "NUCLEO_F746ZG": {
         "inherits": ["Target"],
@@ -859,7 +849,7 @@
         "detect_code": ["0816"],
         "device_has": ["ANALOGIN", "ANALOGOUT", "CAN", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
         "features": ["IPV4"],
-        "release": true
+        "release_versions": ["2", "5"]
     },
     "NUCLEO_F767ZI": {
         "inherits": ["Target"],
@@ -870,8 +860,7 @@
         "progen": {"target": "nucleo-f767zi"},
         "detect_code": ["0818"],
         "device_has": ["ANALOGIN", "ANALOGOUT", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "default_build": "standard",
-        "release":true
+        "release_versions": ["2", "5"]
     },
     "NUCLEO_L011K4": {
         "inherits": ["Target"],
@@ -883,7 +872,8 @@
         "detect_code": ["0780"],
         "progen": {"target":"nucleo-l011k4"},
         "device_has": ["ANALOGIN", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "release": true
+        "default_build": "small",
+        "release_versions": ["2"]
     },
 
     "NUCLEO_L031K6": {
@@ -897,79 +887,74 @@
         "progen": {"target": "nucleo-l031k6"},
         "device_has": ["ANALOGIN", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
         "default_build": "small",
-        "release": true
+        "release_versions": ["2"]
     },
     "NUCLEO_L053R8": {
         "supported_form_factors": ["ARDUINO", "MORPHO"],
         "core": "Cortex-M0+",
-        "default_toolchain": "uARM",
+        "default_toolchain": "ARM",
         "extra_labels": ["STM", "STM32L0", "STM32L053R8"],
         "supported_toolchains": ["ARM", "uARM", "GCC_ARM", "IAR"],
         "inherits": ["Target"],
         "progen": {"target": "nucleo-l053r8"},
         "detect_code": ["0715"],
         "device_has": ["ANALOGIN", "ANALOGOUT", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "default_build": "small",
-        "release": true
+        "release_versions": ["2"]
     },
     "NUCLEO_L073RZ": {
         "supported_form_factors": ["ARDUINO", "MORPHO"],
         "core": "Cortex-M0+",
-        "default_toolchain": "uARM",
+        "default_toolchain": "ARM",
         "extra_labels": ["STM", "STM32L0", "STM32L073RZ"],
         "supported_toolchains": ["ARM", "uARM", "GCC_ARM", "IAR"],
         "inherits": ["Target"],
         "progen": {"target": "nucleo-l073rz"},
         "detect_code": ["0760"],
         "device_has": ["ANALOGIN", "ANALOGOUT", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "default_build": "small",
-        "release": true
+        "release_versions": ["2", "5"]
     },
     "NUCLEO_L152RE": {
         "supported_form_factors": ["ARDUINO", "MORPHO"],
         "core": "Cortex-M3",
-        "default_toolchain": "uARM",
+        "default_toolchain": "ARM",
         "extra_labels": ["STM", "STM32L1", "STM32L152RE"],
         "supported_toolchains": ["ARM", "uARM", "IAR", "GCC_ARM"],
         "inherits": ["Target"],
         "progen": {"target": "nucleo-l152re"},
         "detect_code": ["0710"],
         "device_has": ["ANALOGIN", "ANALOGOUT", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "default_build": "small",
-        "release": true
+        "release_versions": ["2", "5"]
     },
     "NUCLEO_L432KC": {
         "supported_form_factors": ["ARDUINO"],
         "core": "Cortex-M4F",
-        "default_toolchain": "uARM",
+        "default_toolchain": "ARM",
         "extra_labels": ["STM", "STM32L4", "STM32L432KC"],
         "supported_toolchains": ["ARM", "uARM", "IAR", "GCC_ARM"],
         "inherits": ["Target"],
         "progen": {"target": "nucleo-l432kc"},
         "detect_code": ["0770"],
         "device_has": ["ANALOGIN", "ANALOGOUT", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_FC", "SLEEP", "SPI", "SPISLAVE", "CAN", "STDIO_MESSAGES"],
-        "release": true
+        "release_versions": ["2", "5"]
     },
     "NUCLEO_L476RG": {
         "supported_form_factors": ["ARDUINO", "MORPHO"],
         "core": "Cortex-M4F",
-        "default_toolchain": "uARM",
+        "default_toolchain": "ARM",
         "extra_labels": ["STM", "STM32L4", "STM32L476RG"],
         "supported_toolchains": ["ARM", "uARM", "IAR", "GCC_ARM"],
         "inherits": ["Target"],
         "progen": {"target": "nucleo-l476rg"},
         "detect_code": ["0765"],
         "device_has": ["ANALOGIN", "ANALOGOUT", "CAN", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_FC", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "default_build": "small",
-        "release": true
+        "release_versions": ["2", "5"]
     },
     "STM32F3XX": {
         "inherits": ["Target"],
         "core": "Cortex-M4",
-        "default_toolchain": "uARM",
+        "default_toolchain": "ARM",
         "extra_labels": ["STM", "STM32F3XX"],
-        "supported_toolchains": ["ARM", "uARM", "GCC_ARM"],
-        "default_build": "small"
+        "supported_toolchains": ["ARM", "uARM", "GCC_ARM"]
     },
     "STM32F407": {
         "inherits": ["Target"],
@@ -985,48 +970,44 @@
         "extra_labels": ["STM", "STM32F4", "STM32F407", "STM32F407VG"],
         "macros": ["LSI_VALUE=32000"],
         "inherits": ["Target"],
-        "progen": {"target": "lpc1768"},
+        "progen": {"target": "arch-max"},
         "device_has": ["ANALOGIN", "ANALOGOUT", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "release": true
+        "release_versions": ["2"]
     },
     "DISCO_F051R8": {
         "inherits": ["Target"],
         "core": "Cortex-M0",
-        "default_toolchain": "uARM",
+        "default_toolchain": "ARM",
         "extra_labels": ["STM", "STM32F0", "STM32F051", "STM32F051R8"],
         "supported_toolchains": ["GCC_ARM"],
-        "device_has": ["ANALOGIN", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "default_build": "small"
+        "device_has": ["ANALOGIN", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"]
     },
     "DISCO_F100RB": {
         "inherits": ["Target"],
         "core": "Cortex-M3",
-        "default_toolchain": "uARM",
+        "default_toolchain": "ARM",
         "extra_labels": ["STM", "STM32F1", "STM32F100RB"],
         "supported_toolchains": ["GCC_ARM"],
-        "device_has": ["ANALOGIN", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "default_build": "small"
+        "device_has": ["ANALOGIN", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"]
     },
     "DISCO_F303VC": {
         "inherits": ["Target"],
         "core": "Cortex-M4F",
-        "default_toolchain": "uARM",
+        "default_toolchain": "ARM",
         "extra_labels": ["STM", "STM32F3", "STM32F303", "STM32F303VC"],
         "supported_toolchains": ["GCC_ARM"],
-        "device_has": ["ANALOGIN", "ANALOGOUT", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "RTC_LSI", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "default_build": "small"
+        "device_has": ["ANALOGIN", "ANALOGOUT", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "RTC_LSI", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"]
     },
     "DISCO_F334C8": {
         "inherits": ["Target"],
         "core": "Cortex-M4F",
-        "default_toolchain": "uARM",
+        "default_toolchain": "ARM",
         "extra_labels": ["STM", "STM32F3", "STM32F334C8"],
         "supported_toolchains": ["ARM", "uARM", "IAR", "GCC_ARM"],
         "progen": {"target": "disco-f334c8"},
         "detect_code": ["0810"],
         "device_has": ["ANALOGIN", "ANALOGOUT", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "RTC_LSI", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "default_build": "small",
-        "release": true
+        "release_versions": ["2"]
     },
     "DISCO_F407VG": {
         "inherits": ["Target"],
@@ -1039,37 +1020,34 @@
     "DISCO_F429ZI": {
         "inherits": ["Target"],
         "core": "Cortex-M4F",
-        "default_toolchain": "uARM",
+        "default_toolchain": "ARM",
         "extra_labels": ["STM", "STM32F4", "STM32F429", "STM32F429ZI"],
         "supported_toolchains": ["ARM", "uARM", "GCC_ARM", "IAR"],
         "progen": {"target": "disco-f429zi"},
         "device_has": ["ANALOGIN", "ANALOGOUT", "CAN", "ERROR_RED", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "RTC_LSI", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "default_build": "small",
-        "release": true
+        "release_versions": ["2", "5"]
     },
     "DISCO_F469NI": {
         "supported_form_factors": ["ARDUINO"],
         "core": "Cortex-M4F",
-        "default_toolchain": "uARM",
+        "default_toolchain": "ARM",
         "extra_labels": ["STM", "STM32F4", "STM32F469", "STM32F469NI"],
         "supported_toolchains": ["ARM", "uARM", "IAR", "GCC_ARM"],
         "inherits": ["Target"],
         "progen": {"target": "disco-f469ni"},
         "detect_code": ["0788"],
         "device_has": ["ANALOGIN", "ANALOGOUT", "CAN", "ERROR_RED", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "default_build": "small",
-        "release": true
+        "release_versions": ["2", "5"]
     },
     "DISCO_L053C8": {
         "inherits": ["Target"],
         "core": "Cortex-M0+",
-        "default_toolchain": "uARM",
+        "default_toolchain": "ARM",
         "extra_labels": ["STM", "STM32L0", "STM32L053C8"],
         "supported_toolchains": ["ARM", "uARM", "IAR", "GCC_ARM"],
         "progen": {"target": "disco-l053c8"},
         "device_has": ["ANALOGIN", "ANALOGOUT", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "default_build": "small",
-        "release": true
+        "release_versions": ["2"]
     },
     "DISCO_F746NG": {
         "inherits": ["Target"],
@@ -1080,20 +1058,18 @@
         "progen": {"target": "disco-f746ng"},
         "detect_code": ["0815"],
         "device_has": ["ANALOGIN", "ANALOGOUT", "CAN", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "default_build": "standard",
-        "release": true
+        "release_versions": ["2", "5"]
     },
     "DISCO_L476VG": {
         "inherits": ["Target"],
         "core": "Cortex-M4F",
-        "default_toolchain": "uARM",
+        "default_toolchain": "ARM",
         "extra_labels": ["STM", "STM32L4", "STM32L476VG"],
         "supported_toolchains": ["ARM", "uARM", "IAR", "GCC_ARM"],
         "progen": {"target": "disco-l476vg"},
         "detect_code": ["0820"],
         "device_has": ["ANALOGIN", "ANALOGOUT", "CAN", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "default_build": "small",
-        "release": true
+        "release_versions": ["2", "5"]
     },
     "MTS_MDOT_F405RG": {
         "inherits": ["Target"],
@@ -1104,7 +1080,7 @@
         "macros": ["HSE_VALUE=26000000", "OS_CLOCK=48000000"],
         "progen": {"target": "mts-mdot-f405rg"},
         "device_has": ["ANALOGIN", "ANALOGOUT", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "release": true
+        "release_versions": ["2"]
     },
     "MTS_MDOT_F411RE": {
         "inherits": ["Target"],
@@ -1118,7 +1094,7 @@
         },
         "progen": {"target": "mts-mdot-f411re"},
         "device_has": ["ANALOGIN", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "release": true
+        "release_versions": ["2", "5"]
     },
     "MTS_DRAGONFLY_F411RE": {
         "inherits": ["Target"],
@@ -1132,7 +1108,7 @@
         },
         "progen": {"target": "mts-dragonfly-f411re"},
         "device_has": ["ANALOGIN", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "release": true
+        "release_versions": ["2", "5"]
     },
     "MOTE_L152RC": {
         "inherits": ["Target"],
@@ -1144,7 +1120,7 @@
         "detect_code": ["4100"],
         "device_has": ["ANALOGIN", "ANALOGOUT", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "RTC_LSI", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
         "default_build": "small",
-        "release": true
+        "release_versions": ["2"]
     },
     "DISCO_F401VC": {
         "inherits": ["Target"],
@@ -1152,8 +1128,7 @@
         "default_toolchain": "GCC_ARM",
         "extra_labels": ["STM", "STM32F4", "STM32F401", "STM32F401VC"],
         "supported_toolchains": ["GCC_ARM"],
-        "device_has": ["ANALOGIN", "ERROR_RED", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "default_build": "standard"
+        "device_has": ["ANALOGIN", "ERROR_RED", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES"]
     },
     "UBLOX_C029": {
         "supported_form_factors": ["ARDUINO"],
@@ -1222,14 +1197,14 @@
             "toolchains": ["ARM_STD", "GCC_ARM"]
         },
         "program_cycle_s": 6,
-        "default_build": "small",
         "features": ["BLE"]
     },
     "MCU_NRF51_16K_BASE": {
         "inherits": ["MCU_NRF51"],
         "extra_labels_add": ["MCU_NORDIC_16K", "MCU_NRF51_16K"],
         "macros_add": ["TARGET_MCU_NORDIC_16K", "TARGET_MCU_NRF51_16K"],
-        "public": false
+        "public": false,
+        "default_build": "small"
     },
     "MCU_NRF51_16K_BOOT_BASE": {
         "inherits": ["MCU_NRF51_16K_BASE"],
@@ -1318,7 +1293,7 @@
         "extra_labels_add": ["NRF51822", "NRF51822_MKIT"],
         "macros_add": ["TARGET_NRF51822_MKIT"],
         "device_has": ["ANALOGIN", "ERROR_PATTERN", "I2C", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "SERIAL", "SLEEP", "SPI", "SPISLAVE"],
-        "release": true
+        "release_versions": ["2"]
     },
     "NRF51822_BOOT": {
         "inherits": ["MCU_NRF51_16K_BOOT"],
@@ -1337,7 +1312,7 @@
         "inherits": ["MCU_NRF51_16K"],
         "progen": {"target": "arch-ble"},
         "device_has": ["ANALOGIN", "ERROR_PATTERN", "I2C", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "SERIAL", "SLEEP", "SPI", "SPISLAVE"],
-        "release": true
+        "release_versions": ["2"]
     },
     "ARCH_BLE_BOOT": {
         "supported_form_factors": ["ARDUINO"],
@@ -1373,7 +1348,7 @@
         "inherits": ["MCU_NRF51_16K"],
         "progen": {"target": "seed-tinyble"},
         "device_has": ["ANALOGIN", "ERROR_PATTERN", "I2C", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "SERIAL", "SLEEP", "SPI", "SPISLAVE"],
-        "release": true
+        "release_versions": ["2"]
     },
     "SEEED_TINY_BLE_BOOT": {
         "inherits": ["MCU_NRF51_16K_BOOT"],
@@ -1390,7 +1365,7 @@
         "progen": {"target": "hrm1017"},
         "macros_add": ["TARGET_NRF_LFCLK_RC"],
         "device_has": ["ANALOGIN", "ERROR_PATTERN", "I2C", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "SERIAL", "SLEEP", "SPI", "SPISLAVE"],
-        "release": true
+        "release_versions": ["2"]
     },
     "HRM1017_BOOT": {
         "inherits": ["MCU_NRF51_16K_BOOT"],
@@ -1407,7 +1382,7 @@
         "inherits": ["MCU_NRF51_16K"],
         "progen": {"target": "rblab-nrf51822"},
         "device_has": ["ANALOGIN", "ERROR_PATTERN", "I2C", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "SERIAL", "SLEEP", "SPI", "SPISLAVE"],
-        "release": true
+        "release_versions": ["2"]
     },
     "RBLAB_NRF51822_BOOT": {
         "supported_form_factors": ["ARDUINO"],
@@ -1424,7 +1399,7 @@
     "RBLAB_BLENANO": {
         "inherits": ["MCU_NRF51_16K"],
         "device_has": ["ANALOGIN", "ERROR_PATTERN", "I2C", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "SERIAL", "SLEEP", "SPI", "SPISLAVE"],
-        "release": true
+        "release_versions": ["2"]
     },
     "RBLAB_BLENANO_BOOT": {
         "inherits": ["MCU_NRF51_16K_BOOT"],
@@ -1443,7 +1418,7 @@
     "WALLBOT_BLE": {
         "inherits": ["MCU_NRF51_16K"],
         "device_has": ["ANALOGIN", "ERROR_PATTERN", "I2C", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "SERIAL", "SLEEP", "SPI", "SPISLAVE"],
-        "release": true
+        "release_versions": ["2"]
     },
     "WALLBOT_BLE_BOOT": {
         "inherits": ["MCU_NRF51_16K_BOOT"],
@@ -1461,7 +1436,7 @@
         "progen": {"target": "dfcm-nnn40"},
         "macros_add": ["TARGET_NRF_LFCLK_RC"],
         "device_has": ["ANALOGIN", "DEBUG_AWARENESS", "ERROR_PATTERN", "I2C", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SLEEP", "SPI", "SPISLAVE"],
-        "release": true
+        "release_versions": ["2"]
     },
     "DELTA_DFCM_NNN40_BOOT": {
         "inherits": ["MCU_NRF51_32K_BOOT"],
@@ -1475,12 +1450,11 @@
         "extra_labels_add": ["DELTA_DFCM_NNN40"],
         "macros_add": ["TARGET_DELTA_DFCM_NNN40", "TARGET_NRF_LFCLK_RC"]
     },
-    "NRF51_DK": {
+    "NRF51_DK_LEGACY": {
         "supported_form_factors": ["ARDUINO"],
         "inherits": ["MCU_NRF51_32K"],
         "progen": {"target": "nrf51-dk"},
-        "device_has": ["ANALOGIN", "ERROR_PATTERN", "I2C", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "SERIAL", "SLEEP", "SPI", "SPISLAVE"],
-        "release": true
+        "device_has": ["ANALOGIN", "ERROR_PATTERN", "I2C", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "SERIAL", "SLEEP", "SPI", "SPISLAVE"]
     },
     "NRF51_DK_BOOT": {
         "supported_form_factors": ["ARDUINO"],
@@ -1498,7 +1472,7 @@
         "inherits": ["MCU_NRF51_32K"],
         "progen": {"target": "nrf51-dongle"},
         "device_has": ["ANALOGIN", "ERROR_PATTERN", "I2C", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "SERIAL", "SLEEP", "SPI", "SPISLAVE"],
-        "release": true
+        "release_versions": ["2"]
     },
     "NRF51_DONGLE_BOOT": {
         "inherits": ["MCU_NRF51_32K_BOOT"],
@@ -1514,7 +1488,7 @@
         "inherits": ["MCU_NRF51_16K_S110"],
         "macros_add": ["TARGET_NRF_LFCLK_RC"],
         "device_has": ["ANALOGIN", "ERROR_PATTERN", "I2C", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "SERIAL", "SLEEP", "SPI", "SPISLAVE"],
-        "release": true
+        "release_versions": ["2"]
     },
     "NRF51_MICROBIT_BOOT": {
         "inherits": ["MCU_NRF51_16K_BOOT_S110"],
@@ -1531,7 +1505,7 @@
         "extra_labels_add": ["NRF51_MICROBIT"],
         "macros_add": ["TARGET_NRF51_MICROBIT", "TARGET_NRF_LFCLK_RC"],
         "device_has": ["ANALOGIN", "ERROR_PATTERN", "I2C", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "SERIAL", "SLEEP", "SPI", "SPISLAVE"],
-        "release": true
+        "release_versions": ["2"]
     },
     "NRF51_MICROBIT_B_BOOT": {
         "inherits": ["MCU_NRF51_16K_BOOT"],
@@ -1547,7 +1521,7 @@
         "inherits": ["MCU_NRF51_32K"],
         "macros_add": ["TARGET_NRF_32MHZ_XTAL"],
         "device_has": ["ANALOGIN", "ERROR_PATTERN", "I2C", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "SERIAL", "SLEEP", "SPI", "SPISLAVE"],
-        "release": true
+        "release_versions": ["2"]
     },
     "TY51822R3_BOOT": {
         "inherits": ["MCU_NRF51_32K_BOOT"],
@@ -1571,7 +1545,7 @@
         "extra_labels": ["ARM_SSG", "MPS2", "MPS2_M0"],
         "macros": ["CMSDK_CM0"],
         "device_has": ["AACI", "ANALOGIN", "CLCD", "ETHERNET", "I2C", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "SERIAL", "SERIAL_FC", "SPI", "SPISLAVE", "TSC"],
-        "release": true
+        "release_versions": ["2"]
     },
     "ARM_MPS2_M0P": {
         "inherits": ["ARM_MPS2_Target"],
@@ -1580,7 +1554,7 @@
         "extra_labels": ["ARM_SSG", "MPS2", "MPS2_M0P"],
         "macros": ["CMSDK_CM0plus"],
         "device_has": ["AACI", "ANALOGIN", "CLCD", "ETHERNET", "I2C", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "SERIAL", "SERIAL_FC", "SPI", "SPISLAVE", "TSC"],
-        "release": true
+        "release_versions": ["2"]
     },
     "ARM_MPS2_M1": {
         "inherits": ["ARM_MPS2_Target"],
@@ -1597,7 +1571,7 @@
         "extra_labels": ["ARM_SSG", "MPS2", "MPS2_M3"],
         "macros": ["CMSDK_CM3"],
         "device_has": ["AACI", "ANALOGIN", "CLCD", "ETHERNET", "I2C", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "SERIAL", "SERIAL_FC", "SPI", "SPISLAVE", "TSC"],
-        "release": true
+        "release_versions": ["2"]
     },
     "ARM_MPS2_M4": {
         "inherits": ["ARM_MPS2_Target"],
@@ -1606,7 +1580,7 @@
         "extra_labels": ["ARM_SSG", "MPS2", "MPS2_M4"],
         "macros": ["CMSDK_CM4"],
         "device_has": ["AACI", "ANALOGIN", "CLCD", "ETHERNET", "I2C", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "SERIAL", "SERIAL_FC", "SPI", "SPISLAVE", "TSC"],
-        "release": true
+        "release_versions": ["2"]
     },
     "ARM_MPS2_M7": {
         "inherits": ["ARM_MPS2_Target"],
@@ -1615,7 +1589,7 @@
         "extra_labels": ["ARM_SSG", "MPS2", "MPS2_M7"],
         "macros": ["CMSDK_CM7"],
         "device_has": ["AACI", "ANALOGIN", "CLCD", "ETHERNET", "I2C", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "SERIAL", "SERIAL_FC", "SPI", "SPISLAVE", "TSC"],
-        "release": true
+        "release_versions": ["2"]
     },
     "ARM_IOTSS_Target": {
         "inherits": ["Target"],
@@ -1629,7 +1603,7 @@
         "extra_labels": ["ARM_SSG", "IOTSS", "IOTSS_BEID"],
         "macros": ["CMSDK_BEID"],
         "device_has": ["AACI", "ANALOGIN", "CLCD", "ETHERNET", "I2C", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "SERIAL", "SERIAL_FC", "SPI", "SPISLAVE", "TSC"],
-        "release": true
+        "release_versions": ["2"]
     },
     "ARM_BEETLE_SOC": {
         "inherits": ["ARM_IOTSS_Target"],
@@ -1646,7 +1620,7 @@
         },
         "device_has": ["ANALOGIN", "CLCD", "I2C", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "SERIAL", "SPI"],
 	"features": ["BLE"],
-        "release": true
+        "release_versions": ["2"]
     },
     "RZ_A1H": {
         "supported_form_factors": ["ARDUINO"],
@@ -1663,7 +1637,7 @@
         },
         "device_has": ["ANALOGIN", "CAN", "ERROR_PATTERN", "ETHERNET", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SERIAL_FC", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES"],
         "features": ["IPV4"],
-        "release": true
+        "release_versions": ["2", "5"]
     },
     "VK_RZ_A1H": {
         "inherits": ["Target"],
@@ -1679,7 +1653,9 @@
         },
         "program_cycle_s": 2,
         "device_has": ["ANALOGIN", "CAN", "ERROR_PATTERN", "ETHERNET", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_FC", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "default_build": "standard"
+        "features": ["IPV4"],
+        "default_build": "standard",
+        "release_versions": ["2", "5"]
     },
     "MAXWSNENV": {
         "inherits": ["Target"],
@@ -1689,7 +1665,7 @@
         "supported_toolchains": ["GCC_ARM", "IAR", "ARM"],
         "progen": {"target": "maxwsnenv"},
         "device_has": ["ANALOGIN", "ANALOGOUT", "ERROR_PATTERN", "I2C", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_FC", "SLEEP", "SPI", "STDIO_MESSAGES"],
-        "release": true
+        "release_versions": ["2", "5"]
     },
     "MAX32600MBED": {
         "inherits": ["Target"],
@@ -1699,7 +1675,7 @@
         "supported_toolchains": ["GCC_ARM", "IAR", "ARM"],
         "progen": {"target": "max32600mbed"},
         "device_has": ["ANALOGIN", "ANALOGOUT", "ERROR_PATTERN", "I2C", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_FC", "SLEEP", "SPI", "STDIO_MESSAGES"],
-        "release": true
+        "release_versions": ["2", "5"]
     },
     "EFM32GG_STK3700": {
         "inherits": ["Target"],
@@ -1710,7 +1686,7 @@
         "progen": {"target": "efm32gg-stk"},
         "device_has": ["ANALOGIN", "ANALOGOUT", "ERROR_PATTERN", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES"],
         "forced_reset_timeout": 2,
-        "release": true
+        "release_versions": ["2"]
     },
     "EFM32LG_STK3600": {
         "inherits": ["Target"],
@@ -1721,7 +1697,7 @@
         "progen": {"target": "efm32lg-stk"},
         "device_has": ["ANALOGIN", "ANALOGOUT", "ERROR_PATTERN", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES"],
         "forced_reset_timeout": 2,
-        "release": true
+        "release_versions": ["2"]
     },
     "EFM32WG_STK3800": {
         "inherits": ["Target"],
@@ -1732,7 +1708,7 @@
         "progen": {"target": "efm32wg-stk"},
         "device_has": ["ANALOGIN", "ANALOGOUT", "ERROR_PATTERN", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES"],
         "forced_reset_timeout": 2,
-        "release": true
+        "release_versions": ["2"]
     },
     "EFM32ZG_STK3200": {
         "inherits": ["Target"],
@@ -1747,7 +1723,7 @@
         "device_has": ["ANALOGIN", "ERROR_PATTERN", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES"],
         "default_build": "small",
         "forced_reset_timeout": 2,
-        "release": true
+        "release_versions": ["2"]
     },
     "EFM32HG_STK3400": {
         "inherits": ["Target"],
@@ -1762,7 +1738,7 @@
         "device_has": ["ANALOGIN", "ERROR_PATTERN", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES"],
         "default_build": "small",
         "forced_reset_timeout": 2,
-        "release": true
+        "release_versions": ["2"]
     },
     "EFM32PG_STK3401": {
         "inherits": ["Target"],
@@ -1773,7 +1749,7 @@
         "progen": {"target": "efm32pg-stk"},
         "device_has": ["ANALOGIN", "ERROR_PATTERN", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES"],
         "forced_reset_timeout": 2,
-        "release": true
+        "release_versions": ["2", "5"]
     },
     "WIZWIKI_W7500": {
         "supported_form_factors": ["ARDUINO"],
@@ -1783,7 +1759,7 @@
         "inherits": ["Target"],
         "progen": {"target": "wizwiki-w7500"},
         "device_has": ["ANALOGIN", "I2C", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "release": true
+        "release_versions": ["2"]
     },
     "WIZWIKI_W7500P": {
         "supported_form_factors": ["ARDUINO"],
@@ -1793,7 +1769,7 @@
         "inherits": ["Target"],
         "progen": {"target": "wizwiki-w7500p"},
         "device_has": ["ANALOGIN", "I2C", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "release": true
+        "release_versions": ["2"]
     },
     "WIZWIKI_W7500ECO": {
         "inherits": ["Target"],
@@ -1802,7 +1778,7 @@
         "extra_labels": ["WIZNET", "W7500x", "WIZwiki_W7500ECO"],
         "supported_toolchains": ["uARM", "ARM"],
         "device_has": ["ANALOGIN", "I2C", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SPI", "SPISLAVE", "STDIO_MESSAGES"],
-        "release": true
+        "release_versions": ["2"]
     },
     "SAMR21G18A": {
         "inherits": ["Target"],
@@ -1812,7 +1788,7 @@
         "supported_toolchains": ["GCC_ARM", "ARM", "uARM"],
         "progen": {"target": "samr21g18a"},
         "device_has": ["ANALOGIN", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SERIAL_FC", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH"],
-        "release": true
+        "release_versions": ["2"]
     },
     "SAMD21J18A": {
         "inherits": ["Target"],
@@ -1822,7 +1798,7 @@
         "supported_toolchains": ["GCC_ARM", "ARM", "uARM"],
         "progen": {"target": "samd21j18a"},
         "device_has": ["ANALOGIN", "ANALOGOUT", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SERIAL_FC", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH"],
-        "release": true
+        "release_versions": ["2"]
     },
     "SAMD21G18A": {
         "inherits": ["Target"],
@@ -1832,7 +1808,7 @@
         "supported_toolchains": ["GCC_ARM", "ARM", "uARM"],
         "progen": {"target": "samd21g18a"},
         "device_has": ["ANALOGIN", "ANALOGOUT", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SERIAL_FC", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH"],
-        "release": true
+        "release_versions": ["2"]
     },
     "SAML21J18A": {
         "inherits": ["Target"],
@@ -1856,6 +1832,119 @@
         "device_has": ["ANALOGIN", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SERIAL_FC", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH"],
         "default_build": "standard"
     },
+    "MCU_NRF51_UNIFIED": {
+        "inherits": ["Target"],
+        "core": "Cortex-M0",
+        "OVERRIDE_BOOTLOADER_FILENAME": "nrf51822_bootloader.hex",
+        "macros": [
+            "NRF51",
+            "TARGET_NRF51822",
+            "BLE_STACK_SUPPORT_REQD",
+            "SOFTDEVICE_PRESENT",
+            "S130",
+            "TARGET_MCU_NRF51822"
+        ],
+        "MERGE_BOOTLOADER": false,
+        "extra_labels": ["NORDIC", "MCU_NRF51", "MCU_NRF51822_UNIFIED", "NRF5"],
+        "OUTPUT_EXT": "hex",
+        "is_disk_virtual": true,
+        "supported_toolchains": ["ARM", "GCC_ARM", "IAR"],
+        "public": false,
+        "MERGE_SOFT_DEVICE": true,
+        "EXPECTED_SOFTDEVICES_WITH_OFFSETS": [
+            {
+                "boot": "",
+                "name": "s130_nrf51_2.0.0_softdevice.hex",
+                "offset": 110592
+            }
+        ],
+        "detect_code": ["1070"],
+        "post_binary_hook": {
+            "function": "MCU_NRF51Code.binary_hook",
+            "toolchains": ["ARM_STD", "GCC_ARM", "IAR"]
+        },
+        "program_cycle_s": 6,
+        "features": ["BLE"],
+        "config":{
+            "lf_clock_src": {
+                "value": "NRF_LF_SRC_XTAL",
+                "macro_name": "MBED_CONF_NORDIC_NRF_LF_CLOCK_SRC"
+            }
+        }
+    },
+    "MCU_NRF51_32K_UNIFIED": {
+        "inherits": ["MCU_NRF51_UNIFIED"],
+        "extra_labels_add": ["MCU_NORDIC_32K", "MCU_NRF51_32K"],
+        "macros_add": ["TARGET_MCU_NORDIC_32K", "TARGET_MCU_NRF51_32K"],
+        "public": false
+    },
+    "NRF51_DK": {
+        "supported_form_factors": ["ARDUINO"],
+        "inherits": ["MCU_NRF51_32K_UNIFIED"],
+        "progen": {"target": "nrf51-dk"},
+        "device_has": ["ANALOGIN", "ERROR_PATTERN", "I2C", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SLEEP", "SPI", "SPI_ASYNCH", "SPISLAVE"],
+        "release_versions": ["2", "5"]
+    },
+    "MCU_NRF52": {
+        "inherits": ["Target"],
+        "core": "Cortex-M4F",
+        "macros": ["NRF52", "TARGET_NRF52832", "BLE_STACK_SUPPORT_REQD", "SOFTDEVICE_PRESENT", "S132"],
+        "extra_labels": ["NORDIC", "MCU_NRF52", "MCU_NRF52832", "NRF5"],
+        "OUTPUT_EXT": "hex",
+        "is_disk_virtual": true,
+        "supported_toolchains": ["GCC_ARM", "ARM", "IAR"],
+        "public": false,
+        "detect_code": ["1101"],
+        "program_cycle_s": 6,
+        "MERGE_SOFT_DEVICE": true,
+        "EXPECTED_SOFTDEVICES_WITH_OFFSETS": [
+            {
+                "boot": "",
+                "name": "s132_nrf52_2.0.0_softdevice.hex",
+                "offset": 114688
+            }
+        ],
+        "post_binary_hook": {
+            "function": "MCU_NRF51Code.binary_hook",
+            "toolchains": ["ARM_STD", "GCC_ARM", "IAR"]
+        },
+        "MERGE_BOOTLOADER": false,
+        "features": ["BLE"],
+        "config":{
+            "lf_clock_src": {
+                "value": "NRF_LF_SRC_XTAL",
+                "macro_name": "MBED_CONF_NORDIC_NRF_LF_CLOCK_SRC"
+            }
+        }
+    },
+    "NRF52_DK": {
+        "supported_form_factors": ["ARDUINO"],
+        "inherits": ["MCU_NRF52"],
+        "progen": {"target": "nrf52-dk"},
+        "macros_add": [
+            "BOARD_PCA10040",
+            "NRF52_PAN_12",
+            "NRF52_PAN_15",
+            "NRF52_PAN_58",
+            "NRF52_PAN_55",
+            "NRF52_PAN_54",
+            "NRF52_PAN_31",
+            "NRF52_PAN_30",
+            "NRF52_PAN_51",
+            "NRF52_PAN_36",
+            "NRF52_PAN_53",
+            "S132",
+            "CONFIG_GPIO_AS_PINRESET",
+            "BLE_STACK_SUPPORT_REQD",
+            "SWI_DISABLE0",
+            "NRF52_PAN_20",
+            "NRF52_PAN_64",
+            "NRF52_PAN_62",
+            "NRF52_PAN_63"
+        ],
+        "device_has": ["ANALOGIN", "ERROR_PATTERN", "I2C", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SLEEP", "SPI", "SPI_ASYNCH", "SPISLAVE"],
+        "release_versions": ["2", "5"]
+    },
     "BLUEPILL_F103C8": {
         "core": "Cortex-M3",
         "default_toolchain": "GCC_ARM",
@@ -1864,5 +1953,18 @@
         "inherits": ["Target"],
         "progen": {"target": "bluepill-f103c8"},
         "device_has": ["ANALOGIN", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "SERIAL", "SLEEP", "SPI", "SPISLAVE"]
+    },
+    "NUMAKER_PFM_NUC472": {
+        "core": "Cortex-M4F",
+        "default_toolchain": "ARM",
+        "extra_labels": ["NUVOTON", "NUC472", "NUMAKER_PFM_NUC472"],
+		"macros": ["MBEDTLS_ENTROPY_HARDWARE_ALT"],		
+        "is_disk_virtual": true,
+        "supported_toolchains": ["ARM", "uARM", "GCC_ARM", "IAR"],
+        "inherits": ["Target"],
+        "progen": {"target": "numaker-pfm-nuc472"},
+        "device_has": ["ANALOGIN", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SERIAL_FC", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH"],
+        "features": ["IPV4"],
+        "release_versions": ["2", "5"]
     }
 }