I see some people have problems with latest versions because they use hard OC and/or custom bioses created for old versions. They work fine with old GPU kernels, but I modified kernels in v11.2 and you need to readjust your settings.
For those who cannot do it (or don't want to do it) I can revert some changes and release a version with "old-style" binaries. So I will release v11.5 within a few hours and it will be the only change in this version, so don't upgrade if v11.4 works fine for you.
does it mean 11.5 will have issue with stale shares again? I like 3% stale instead of 8% for 11.1, but a couple of rigs began very rare crashing since updating to 11.2.
No, stale shares will be same as for 11.4 (i.e. almost zero) because it is not related to GPU kernels directly.