# The blocks editor becomes incredibly slow to respond on complex projects! **URL:** \ **Category:** Questions about Thunkable X\ **Created:** [July 28, 2019, 5:02pm UTC](https://community.thunkable.com/t/the-blocks-editor-becomes-incredibly-slow-to-respond-on-complex-projects/159590 "2019-07-28T17:02:37Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![maxb](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/maxb/32/35200_2.png) [@maxb](https://community.thunkable.com/u/maxb)\ **Post date:** [July 28, 2019, 5:02pm UTC](https://community.thunkable.com/t/the-blocks-editor-becomes-incredibly-slow-to-respond-on-complex-projects/159590/1 "2019-07-28T17:02:37Z")
I am sorry to write this but I hope that thunkable developers can and are fixing this soon cause it’s becoming really frustrating, having to wait an average of 7 seconds for every single move you make in the project, every. ---
**Author:** ![domhnallohanlon](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/domhnallohanlon/32/29554_2.png) [@domhnallohanlon](https://community.thunkable.com/u/domhnallohanlon)\ **Post date:** [September 9, 2019, 12:39pm UTC](https://community.thunkable.com/t/the-blocks-editor-becomes-incredibly-slow-to-respond-on-complex-projects/159590/2 "2019-09-09T12:39:32Z")
33 posts were merged into an existing topic: [Is there some reason why my blocks might start to lag?](https://community.thunkable.com/t/is-there-some-reason-why-my-blocks-might-start-to-lag/55876) ---
**Author:** ![domhnallohanlon](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/domhnallohanlon/32/29554_2.png) [@domhnallohanlon](https://community.thunkable.com/u/domhnallohanlon)\ **Post date:** [September 9, 2019, 12:39pm UTC](https://community.thunkable.com/t/the-blocks-editor-becomes-incredibly-slow-to-respond-on-complex-projects/159590/17 "2019-09-09T12:39:32Z")