https://forums.opera.com/topic/61883/solved-request-option-to-disable-animation-when-switching-workspaces/25?lang=en-US
[Solved][Request]Option to disable Animation when switching workspaces | Opera forums
Oct 20, 2023 - @ds936 no workaround is necessary, you can disable them in the options. search for "reduce animations"
disable animationswitching workspacessolvedrequestoption