The "Save Current Settings as Default" menu option no longer seems to be honoured for Video settings. In the next session Video resets to Copy, and the Config reverts to default values.
I am running Avidemux 2.8.2 260516_46963d075c1-fflibs 7.0.2 mingw 64bit
under Windows 11 on an Intel PC, with a local account.
I also have an old version that works fine in this regard,
on a Windows 10 AMD PC, with a Microsoft account.
Avidemux 2.8.2 250526_b008a4d098-fflibs 7.0.2-VC++