diff --git a/platformio.ini b/platformio.ini
index 13c92232..9c77157d 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -60,11 +60,11 @@ default_envs =
   wemos_shield_esp32_16MB_LineIn_M
   esp32_pico_4MB_M
   esp32_4MB_PSRAM_S
-  ; esp32S3_8MB_M ;; disabled as github action build has strange problems with this one since today
+  esp32S3_8MB_M
   ;; esp32s2_tinyUF2_PSRAM_S  ;; experimental - only for adafruit -S2 boards with tinyUF2 bootloader !!!
-  ; esp32s2_PSRAM_M          ;; experimental - disabled as github action build has strange problems with this one since today
-  ; esp32c3dev_4MB_M         ;; experimental - disabled as github action build has strange problems with this one since today
-  ; seeed_esp32c3_4MB_S      ;; experimental - disabled as github action build has strange problems with this one since today
+  esp32s2_PSRAM_M          ;; experimental
+  esp32c3dev_4MB_M         ;; experimental
+  seeed_esp32c3_4MB_S      ;; experimental
   esp32_4MB_V4_S           ;; experimental
   esp32_16MB_V4_M          ;; experimental
   esp32_16MB_V4_M_debug    ;; experimental
@@ -275,10 +275,14 @@ lib_deps =
 ;; ** For compiling with latest Frameworks (IDF4.4.x and arduino-esp32 v2.0.x) **
 ;;; standard V4 platform
 platformV4 = espressif32@ ~5.1.1
-platformV4_packages = platformio/framework-arduinoespressif32@ ~3.20004.0
+platformV4_packages = 
+  platformio/framework-arduinoespressif32@ ~3.20004.0
+  toolchain-riscv32-esp @ 8.4.0+2021r2-patch5 ; required for platform version < 5.3.0, remove this line when upgrading to platform >=5.3.0
+
 ;;; newer V4 platform - may help in case you experience flash corruption and boot loops
 platformV4_new = espressif32@ ~5.2.0
 platformV4_new_packages =
+  toolchain-riscv32-esp @ 8.4.0+2021r2-patch5 ; required for platform version < 5.3.0, remove this line when upgrading to platform >=5.3.0
 
 ;;; tasmota platform
 ;platformV4 = https://github.com/tasmota/platform-espressif32/releases/download/v2.0.5.1/platform-espressif32-2.0.5.1.zip