First of all - we're using system since 2.x ver, so sometimes some inner texts/ files might have different encoding etc . (maybe this could be related)
Now the probelm - we where absolutely fine on 3.8 without ANY TROUBLES , and after we updated to 3.10 + (currently (Build: 20201204)) popup with SyntaxError: Unexpected end of JSON input after 3.10 update started popping out for many teachers and pupils . (see screenshots) .
Also i attach server side error log , which alo became huge after update.
PS theres also these line in CRON error execution :
func=xmlSecCheckVersionExt:file=xmlsec.c:line=188:obj=unknown:subj=unknown:error=19:invalid version:mode=abi compatible;expected minor version=2;real minor version=2;expected subminor version=25;real subminor version=26
If you have any clues where to look for troubles - please let me know
Thanks in advance !