On 12/16/23 19:35, Neil Rickert wrote:

I'm using "firefox" on KDE.  And "firefox" seems to always block power
savings while playing media.  If your browser doesn't do that, you can
click on the power icon in the tray, and manually block power savings.

I'm also using Firefox on KDE.

What power icon?

If you are not using KDE, then this won't help.