1. Timeout should be removed on disable or destroy (line 377, 1456, 1933, 2177 extension.js): https://gjs.guide/extensions/review-guidelines/review-guidelines.html#remove-main-loop-sources 2. You don't need to use line 661-681 extension.js since they are available on 45 by default. 3. Is this a fork? or partial copy of other extensions?

Nope. it was incrementaly update. I update it everyday. https://github.com/amarullz/windowgestures/commits/main Will try to update it..