How to revert back to earlier revision (6.8) in place of a newer revision (6.9)?

[John-M (Melbourne, Australia - Win10)]

@fishmi

I had addressed my problems with version 6.10. and asked for a link to version 6.8.

There’s an update to 6.10.1 which purports to fix some GPU-related issues. Have you tried that ?

See here for details.