[Solved] After recent updates, involving Mint and KDE 5.24 Conky window transparency stops working

[nmbronz]

After updates that involved both Linux Mint and KDE, my Conky transparent windows changed to black background windows

Following several weeks of working on this issue off and on, and posts about this or that correct settings in the rc files which did not resolve the issue. The thing was that prior to the updates everything was working fine, so it was something in one of the updates that caused and issue.

I have the following setup:
Linux Mint 20.3
KDE Plasma Version: 5.68.0
KDE Frameworks Version: 5.68.0
Qt Version: 5.12.8
Kernel 5.4.0-135-generic
OS Type 64-bit

[nmbronz]

I found a post that advised "Shift+Alt+F12 should toggle the compositor."

Post reference: KDE after update not working transparency on conky this was with a user using ArchLinux.

This spoke of an issue with the compositor needing to be reset. "Shift+Alt+F12" did not do this for me, but this article is pointing to an issue with the compositor in ArchLinux, so I went to settings and typed in compositor, and that brought up a settings window for the compositor.

There is a checkbox that says "allow applications to block compositing", I unchecked that and my transparent windows immediately went transparent,
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Conky transparent windows are now working.