B4R Question ... several problems with B4R3 and arduino 1.8.12

[Hans- Joachim Krahe]

several increasing problems with B4R3 and arduino 1.8.12 with upload to mega and serialnative

regretted to B4R 2.5.1 and arduino 1.8.5 - works fine again.

 

[janderkan]

Running B4R 3.3 and Arduino 1.8.11, works fine

 

[Hans- Joachim Krahe]

Running B4R 3.3 and Arduino 1.8.11, works fine

... maybe special problem with mega 2560? I changed to elder AVR versions, but errors kept staying..

Is there a possibility for to download earlier B4R versions? I only see the actual one and had to use a RAID backup ...