# The blocks editor becomes incredibly slow to respond on complex projects! **URL:** https://community.thunkable.com/t/the-blocks-editor-becomes-incredibly-slow-to-respond-on-complex-projects/159590 **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:** 1 **Showing post:** 2
### 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) --- _[View the full topic](https://community.thunkable.com/t/the-blocks-editor-becomes-incredibly-slow-to-respond-on-complex-projects/159590)._