Ater a night... this morning I checked again my latest version in the ais and now it is Extension Version: 20181124 and version 2.0... I'am sure I imported the 08-'20 version. I have it in my downloads and I checked it yesterday.
When I'm now opening my projects I get this.
The two ais files are scrumbled again. And I did make a save before closing down. I have only problems with this ias
https://community.appinventor.mit.edu/t/ble-esp32-bluetooth-send-receive-arduino-ide/1980/3
App send text to ESP32. Show on the Serial Monitor.