Using the new Arduino IDE for ESP8266 and found bugs, report them here

Moderator: igrr

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By rolfm
#91671 version 2.7.4 sender sketch ESPnow works flawless
version 3.0.0 not working anymore

exception decoder says the following:

Exception 0: Illegal instruction PC: 0x40201181 EXCVADDR: 0x00000000
Decoding stack results
0x40201140: receiving() at C:\Users\Gebruiker\Documents\ArduinoData\packages\esp8266\hardware\esp8266\3.0.0\cores\esp8266/HardwareSerial.h line 166
0x402010ec: setup() at C:\Users\Gebruiker\Desktop\GOSSE-NIEKE\sketchbook\nodemcu\espnow\MA_Esp_zend/Csetup.ino line 20
0x40202018: loop_wrapper() at C:\Users\Gebruiker\Documents\ArduinoData\packages\esp8266\hardware\esp8266\3.0.0\cores\esp8266*core_esp8266_main.cpp* line 201

to me it looks there's something at fault in the new code for the core