diff --git a/patches/RF24_Hal.patch b/patches/RF24_Hal.patch
index e0f44819..ed2c5bec 100644
--- a/patches/RF24_Hal.patch
+++ b/patches/RF24_Hal.patch
@@ -959,3 +959,24 @@ index c029c8e..c9d612a 100644
 -#endif // __RF24_H__
 \ No newline at end of file
 +#endif // __RF24_H__
+diff --git a/RF24_hal.h b/RF24_hal.h
+new file mode 100644
+index 0000000..baceab3
+--- /dev/null
++++ b/RF24_hal.h
+@@ -0,0 +1,15 @@
++#pragma once
++
++#include "RF24_config.h"
++
++class RF24_hal
++{
++public:
++    virtual void ce(bool level) = 0;
++    virtual uint8_t read(uint8_t cmd, uint8_t* buf, uint8_t len) = 0;
++    virtual uint8_t read(uint8_t cmd, uint8_t* buf, uint8_t data_len, uint8_t blank_len) = 0;
++    virtual uint8_t write(uint8_t cmd, const uint8_t* buf, uint8_t len) = 0;
++    virtual uint8_t write(uint8_t cmd, const uint8_t* buf, uint8_t len, uint8_t blank_len) = 0;
++    virtual bool begin() = 0;
++    virtual void end() = 0;
++};
diff --git a/src/CHANGES.md b/src/CHANGES.md
index f2cc8785..3193ac15 100644
--- a/src/CHANGES.md
+++ b/src/CHANGES.md
@@ -1,5 +1,8 @@
 # Development Changes
 
+## 0.8.99 - 2024-03-27
+* fix compilation of all environments
+
 ## 0.8.98 - 2024-03-24
 * new network routines
 
diff --git a/src/defines.h b/src/defines.h
index 2058ce3a..5c09041d 100644
--- a/src/defines.h
+++ b/src/defines.h
@@ -13,7 +13,7 @@
 //-------------------------------------
 #define VERSION_MAJOR       0
 #define VERSION_MINOR       8
-#define VERSION_PATCH       98
+#define VERSION_PATCH       99
 
 //-------------------------------------
 typedef struct {
diff --git a/src/platformio.ini b/src/platformio.ini
index 7edf99ba..cde08cb1 100644
--- a/src/platformio.ini
+++ b/src/platformio.ini
@@ -45,6 +45,9 @@ build_unflags =
 platform = espressif8266
 board = esp12e
 board_build.f_cpu = 80000000L
+lib_deps =
+    ${env.lib_deps}
+    https://github.com/me-no-dev/ESPAsyncUDP
 build_flags = ${env.build_flags}
     -DEMC_MIN_FREE_MEMORY=4096
     ;-Wl,-Map,output.map
@@ -55,8 +58,7 @@ monitor_filters =
 platform = espressif8266
 board = esp12e
 board_build.f_cpu = 80000000L
-lib_deps =
-    ${env.lib_deps}
+lib_deps = ${env:esp8266-minimal.lib_deps}
     https://github.com/me-no-dev/ESPAsyncUDP
 build_flags = ${env:esp8266-minimal.build_flags}
     -DENABLE_MQTT