diff --git a/platformio.ini b/platformio.ini
index bbc4f9fb5..798848017 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -33,11 +33,15 @@ src_dir = sonoff
 ;env_default = sonoff-TW
 
 [common] ; ************************************************************
-; *** Esp8266 core for Arduino version
-platform = espressif8266@1.5.0  ; v2.3.0
-;platform = espressif8266@1.6.0  ; v2.4.0
-;platform = espressif8266@1.7.0  ; v2.4.1
+; *** Esp8266 core for Arduino version 2.3.0
+platform = espressif8266@1.5.0
+; *** Esp8266 core for Arduino version 2.4.0
+;platform = espressif8266@1.6.0
+; *** Esp8266 core for Arduino version 2.4.1
+;platform = espressif8266@1.7.0
+; *** Esp8266 core for Arduino version latest beta
 ;platform = https://github.com/platformio/platform-espressif8266.git#feature/stage
+; *** Esp8266 core for Arduino current version
 ;platform = espressif8266
 
 framework = arduino
@@ -69,7 +73,7 @@ build_flags_4MB =
 extra_scripts = pio/strip-floats.py
 
 ; *** Serial Monitor options
-monitor_baud = 115200
+monitor_speed = 115200
 
 ; *** Upload Serial reset method for Wemos and NodeMCU
 upload_speed = 115200
@@ -96,7 +100,7 @@ board = ${common.board}
 board_flash_mode = ${common.board_flash_mode}
 build_unflags = ${common.build_unflags}
 build_flags = ${common.build_flags_4MB} -DMY_LANGUAGE=de-DE
-monitor_baud = ${common.monitor_baud}
+monitor_speed = ${common.monitor_baud}
 upload_speed = ${common.upload_speed}
 upload_port = ${common.upload_port}
 extra_scripts = ${common.extra_scripts}
@@ -108,7 +112,7 @@ board = ${common.board}
 board_flash_mode = ${common.board_flash_mode}
 build_unflags = ${common.build_unflags}
 build_flags = ${common.build_flags_4MB}
-monitor_baud = ${common.monitor_baud}
+monitor_speed = ${common.monitor_baud}
 upload_speed = ${common.upload_speed}
 upload_resetmethod = ${common.upload_resetmethod}
 upload_port = ${common.upload_port}
@@ -121,7 +125,7 @@ board = ${common.board}
 board_flash_mode = ${common.board_flash_mode}
 build_unflags = ${common.build_unflags}
 build_flags = ${common.build_flags_4MB} -DMY_LANGUAGE=es-AR
-monitor_baud = ${common.monitor_baud}
+monitor_speed = ${common.monitor_baud}
 upload_speed = ${common.upload_speed}
 upload_resetmethod = ${common.upload_resetmethod}
 upload_port = ${common.upload_port}
@@ -134,7 +138,7 @@ board = ${common.board}
 board_flash_mode = ${common.board_flash_mode}
 build_unflags = ${common.build_unflags}
 build_flags = ${common.build_flags} -DBE_MINIMAL
-monitor_baud = ${common.monitor_baud}
+monitor_speed = ${common.monitor_baud}
 upload_speed = ${common.upload_speed}
 upload_port = ${common.upload_port}
 extra_scripts = ${common.extra_scripts}
@@ -146,7 +150,7 @@ board = ${common.board}
 board_flash_mode = ${common.board_flash_mode}
 build_unflags = ${common.build_unflags}
 build_flags = ${common.build_flags} -DMY_LANGUAGE=bg-BG
-monitor_baud = ${common.monitor_baud}
+monitor_speed = ${common.monitor_speed}
 upload_speed = ${common.upload_speed}
 upload_port = ${common.upload_port}
 extra_scripts = ${common.extra_scripts}
@@ -158,7 +162,7 @@ board = ${common.board}
 board_flash_mode = ${common.board_flash_mode}
 build_unflags = ${common.build_unflags}
 build_flags = ${common.build_flags} -DMY_LANGUAGE=pt-BR
-monitor_baud = ${common.monitor_baud}
+monitor_speed = ${common.monitor_speed}
 upload_speed = ${common.upload_speed}
 upload_port = ${common.upload_port}
 extra_scripts = ${common.extra_scripts}
@@ -170,7 +174,7 @@ board = ${common.board}
 board_flash_mode = ${common.board_flash_mode}
 build_unflags = ${common.build_unflags}
 build_flags = ${common.build_flags} -DMY_LANGUAGE=zh-CN
-monitor_baud = ${common.monitor_baud}
+monitor_speed = ${common.monitor_speed}
 upload_speed = ${common.upload_speed}
 upload_port = ${common.upload_port}
 extra_scripts = ${common.extra_scripts}
@@ -182,7 +186,7 @@ board = ${common.board}
 board_flash_mode = ${common.board_flash_mode}
 build_unflags = ${common.build_unflags}
 build_flags = ${common.build_flags} -DMY_LANGUAGE=cs-CZ
-monitor_baud = ${common.monitor_baud}
+monitor_speed = ${common.monitor_speed}
 upload_speed = ${common.upload_speed}
 upload_port = ${common.upload_port}
 extra_scripts = ${common.extra_scripts}
@@ -194,7 +198,7 @@ board = ${common.board}
 board_flash_mode = ${common.board_flash_mode}
 build_unflags = ${common.build_unflags}
 build_flags = ${common.build_flags} -DMY_LANGUAGE=de-DE
-monitor_baud = ${common.monitor_baud}
+monitor_speed = ${common.monitor_speed}
 upload_speed = ${common.upload_speed}
 upload_port = ${common.upload_port}
 extra_scripts = ${common.extra_scripts}
@@ -219,7 +223,7 @@ board = ${common.board}
 board_flash_mode = ${common.board_flash_mode}
 build_unflags = ${common.build_unflags}
 build_flags = ${common.build_flags} -DMY_LANGUAGE=es-AR
-monitor_baud = ${common.monitor_baud}
+monitor_speed = ${common.monitor_speed}
 upload_speed = ${common.upload_speed}
 upload_port = ${common.upload_port}
 extra_scripts = ${common.extra_scripts}
@@ -231,7 +235,7 @@ board = ${common.board}
 board_flash_mode = ${common.board_flash_mode}
 build_unflags = ${common.build_unflags}
 build_flags = ${common.build_flags} -DMY_LANGUAGE=fr-FR
-monitor_baud = ${common.monitor_baud}
+monitor_speed = ${common.monitor_speed}
 upload_speed = ${common.upload_speed}
 upload_port = ${common.upload_port}
 extra_scripts = ${common.extra_scripts}
@@ -243,7 +247,7 @@ board = ${common.board}
 board_flash_mode = ${common.board_flash_mode}
 build_unflags = ${common.build_unflags}
 build_flags = ${common.build_flags} -DMY_LANGUAGE=el-GR
-monitor_baud = ${common.monitor_baud}
+monitor_speed = ${common.monitor_speed}
 upload_speed = ${common.upload_speed}
 upload_port = ${common.upload_port}
 extra_scripts = ${common.extra_scripts}
@@ -255,7 +259,7 @@ board = ${common.board}
 board_flash_mode = ${common.board_flash_mode}
 build_unflags = ${common.build_unflags}
 build_flags = ${common.build_flags} -DMY_LANGUAGE=hu-HU
-monitor_baud = ${common.monitor_baud}
+monitor_speed = ${common.monitor_speed}
 upload_speed = ${common.upload_speed}
 upload_port = ${common.upload_port}
 extra_scripts = ${common.extra_scripts}
@@ -267,7 +271,7 @@ board = ${common.board}
 board_flash_mode = ${common.board_flash_mode}
 build_unflags = ${common.build_unflags}
 build_flags = ${common.build_flags} -DMY_LANGUAGE=it-IT
-monitor_baud = ${common.monitor_baud}
+monitor_speed = ${common.monitor_speed}
 upload_speed = ${common.upload_speed}
 upload_port = ${common.upload_port}
 extra_scripts = ${common.extra_scripts}
@@ -279,7 +283,7 @@ board = ${common.board}
 board_flash_mode = ${common.board_flash_mode}
 build_unflags = ${common.build_unflags}
 build_flags = ${common.build_flags} -DMY_LANGUAGE=nl-NL
-monitor_baud = ${common.monitor_baud}
+monitor_speed = ${common.monitor_speed}
 upload_speed = ${common.upload_speed}
 upload_port = ${common.upload_port}
 extra_scripts = ${common.extra_scripts}
@@ -291,7 +295,7 @@ board = ${common.board}
 board_flash_mode = ${common.board_flash_mode}
 build_unflags = ${common.build_unflags}
 build_flags = ${common.build_flags} -DMY_LANGUAGE=pl-PL
-monitor_baud = ${common.monitor_baud}
+monitor_speed = ${common.monitor_speed}
 upload_speed = ${common.upload_speed}
 upload_port = ${common.upload_port}
 extra_scripts = ${common.extra_scripts}
@@ -303,7 +307,7 @@ board = ${common.board}
 board_flash_mode = ${common.board_flash_mode}
 build_unflags = ${common.build_unflags}
 build_flags = ${common.build_flags} -DMY_LANGUAGE=pt-PT
-monitor_baud = ${common.monitor_baud}
+monitor_speed = ${common.monitor_speed}
 upload_speed = ${common.upload_speed}
 upload_port = ${common.upload_port}
 extra_scripts = ${common.extra_scripts}
@@ -315,7 +319,7 @@ board = ${common.board}
 board_flash_mode = ${common.board_flash_mode}
 build_unflags = ${common.build_unflags}
 build_flags = ${common.build_flags} -DMY_LANGUAGE=ru-RU
-monitor_baud = ${common.monitor_baud}
+monitor_speed = ${common.monitor_speed}
 upload_speed = ${common.upload_speed}
 upload_port = ${common.upload_port}
 extra_scripts = ${common.extra_scripts}
@@ -327,7 +331,7 @@ board = ${common.board}
 board_flash_mode = ${common.board_flash_mode}
 build_unflags = ${common.build_unflags}
 build_flags = ${common.build_flags} -DMY_LANGUAGE=zh-TW
-monitor_baud = ${common.monitor_baud}
+monitor_speed = ${common.monitor_speed}
 upload_speed = ${common.upload_speed}
 upload_port = ${common.upload_port}
 extra_scripts = ${common.extra_scripts}
diff --git a/sonoff/_releasenotes.ino b/sonoff/_releasenotes.ino
index c8a76e970..02ea82c75 100644
--- a/sonoff/_releasenotes.ino
+++ b/sonoff/_releasenotes.ino
@@ -1,5 +1,7 @@
 /* 5.14.0a
  * Add Eastron SDM630 energy meter (#2735)
+ * Add KNX communication enhancement (#2742)
+ * Fix timer re-trigger within one minute after restart (#2744)
  *
  * 5.14.0 20180515
  * Update language files
diff --git a/sonoff/language/en-GB.h b/sonoff/language/en-GB.h
index 7814f8446..3e5b0a0c0 100644
--- a/sonoff/language/en-GB.h
+++ b/sonoff/language/en-GB.h
@@ -28,7 +28,7 @@
  * Use online command StateText to translate ON, OFF, HOLD and TOGGLE.
  * Use online command Prefix to translate cmnd, stat and tele.
  *
- * Updated until v5.14.0
+ * Updated until v5.14.0a
 \*********************************************************************/
 
 //#define LANGUAGE_MODULE_NAME         // Enable to display "Module Generic" (ie Spanish), Disable to display "Generic Module" (ie English)
diff --git a/sonoff/language/es-AR.h b/sonoff/language/es-AR.h
index fa96a9304..d9c37fa0e 100644
--- a/sonoff/language/es-AR.h
+++ b/sonoff/language/es-AR.h
@@ -28,7 +28,7 @@
  * Use online command StateText to translate ON, OFF, HOLD and TOGGLE.
  * Use online command Prefix to translate cmnd, stat and tele.
  *
- * Updated until v5.14.0
+ * Updated until v5.14.0a
 \*********************************************************************/
 
 #define LANGUAGE_MODULE_NAME         // Enable to display "Module Generic" (ie Spanish), Disable to display "Generic Module" (ie English)
diff --git a/sonoff/language/nl-NL.h b/sonoff/language/nl-NL.h
index c61257797..df970798f 100644
--- a/sonoff/language/nl-NL.h
+++ b/sonoff/language/nl-NL.h
@@ -28,7 +28,7 @@
  * Use online command StateText to translate ON, OFF, HOLD and TOGGLE.
  * Use online command Prefix to translate cmnd, stat and tele.
  *
- * Updated until v5.14.0
+ * Updated until v5.14.0a
 \*********************************************************************/
 
 //#define LANGUAGE_MODULE_NAME         // Enable to display "Module Generic" (ie Spanish), Disable to display "Generic Module" (ie English)
@@ -400,7 +400,7 @@
 #define D_KNX_COMMAND_OTHER "Overige"
 #define D_SENT_TO "verzend naar"
 #define D_KNX_WARNING "Groep adres (0/0/0) is gereserveerd en mag niet worden gebruikt."
-#define D_KNX_ENHANCEMENT "Communication Enhancement"
+#define D_KNX_ENHANCEMENT "Verbeter verbinding"
 
 // xdrv_03_energy.ino
 #define D_ENERGY_TODAY "Verbruik vandaag"
diff --git a/sonoff/settings.h b/sonoff/settings.h
index 9faf10186..c174ecc55 100644
--- a/sonoff/settings.h
+++ b/sonoff/settings.h
@@ -52,7 +52,7 @@ typedef union {                            // Restricted by MISRA-C Rule 18.4 bu
     uint32_t rules_once : 1;               // bit 24 (v5.12.0k)
     uint32_t knx_enabled : 1;              // bit 25 (v5.12.0l) KNX
     uint32_t device_index_enable : 1;      // bit 26 (v5.13.1a)
-    uint32_t knx_enable_enhancement : 1;   // bit 27 (v5.14.1b) KNX
+    uint32_t knx_enable_enhancement : 1;   // bit 27 (v5.14.0a) KNX
     uint32_t spare28 : 1;
     uint32_t spare29 : 1;
     uint32_t spare30 : 1;
diff --git a/sonoff/xdrv_09_timers.ino b/sonoff/xdrv_09_timers.ino
index 889a92937..7528dcfad 100644
--- a/sonoff/xdrv_09_timers.ino
+++ b/sonoff/xdrv_09_timers.ino
@@ -262,7 +262,7 @@ void TimerEverySecond()
 {
   if (RtcTime.valid) {
     if (!RtcTime.hour && !RtcTime.minute && !RtcTime.second) { TimerSetRandomWindows(); }  // Midnight
-    if (RtcTime.minute != timer_last_minute) {  // Execute every minute only once
+    if ((uptime > 60) && (RtcTime.minute != timer_last_minute)) {  // Execute from one minute after restart every minute only once
       timer_last_minute = RtcTime.minute;
       int16_t time = (RtcTime.hour *60) + RtcTime.minute;
       uint8_t days = 1 << (RtcTime.day_of_week -1);