NOT TO BE CONFUSED WITH MCPE-110006
Even though this an issue with turning off V-sync, that issue is for fullscreen only
While this affects windowed/fullscreen
it is not the same issue
Even with vsync turned off via the options.txt file, fps is still capped to 60, i've also disabled it through the nvidia control panel.
Thank you for your report!
We're still tracking this issue in MCPE-110006, so this ticket is being resolved and linked as a duplicate.
"Vertical sync" applies to the entire monitor/screen, so having a separate report for "window" is not necessary. Also, this report says it "cannot be turned off at all", which is covered by MCPE-110006 also.
If you would like to add a vote and any extra information to the main ticket it would be appreciated.
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