Setting the ENV as described as the work-around in MC-122421 seems to resolve the problem:
[minecraft-launcher] $ export XMODIFIERS=@im=null [minecraft-launcher] $ ./minecraft-launcher
No delay with that set....
https://youtu.be/x1z4NnsAYGc
Tom HodderTom Hodder
MC-171348
Setting the ENV as described as the work-around in
MC-122421seems to resolve the problem:No delay with that set....
https://youtu.be/x1z4NnsAYGc