# Blog post: UI Freezes and the Dangers of Non-Cancellable Read Actions in Background Threads

**URL:** <https://platform.jetbrains.com/t/blog-post-ui-freezes-and-the-dangers-of-non-cancellable-read-actions-in-background-threads/3895>\
**Category:** Announcements\
**Tags:** blog\
**Created:** [March 17, 2026, 8:18pm UTC](https://platform.jetbrains.com/t/blog-post-ui-freezes-and-the-dangers-of-non-cancellable-read-actions-in-background-threads/3895 "2026-03-17T20:18:11Z")\
**Posts on this page:** 1\
**Showing post:** 16

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**Author:** ![yuriy.artamonov](https://sea1.discourse-cdn.com/flex001/user_avatar/platform.jetbrains.com/yuriy.artamonov/32/48_2.png) [@yuriy.artamonov](https://platform.jetbrains.com/u/yuriy.artamonov)\
**Post date:** [September 6, 2026, 7:27am UTC](https://platform.jetbrains.com/t/blog-post-ui-freezes-and-the-dangers-of-non-cancellable-read-actions-in-background-threads/3895/16 "2026-09-06T07:27:20Z")

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A post was split to a new topic: [Update of action in RD with suspend RPC call](https://platform.jetbrains.com/t/update-of-action-in-rd-with-suspend-rpc-call/5014)

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_[View the full topic](https://platform.jetbrains.com/t/blog-post-ui-freezes-and-the-dangers-of-non-cancellable-read-actions-in-background-threads/3895)._