# Selection collapses after focus() when a change replaces the selected text (Firefox) **URL:** https://discuss.codemirror.net/t/selection-collapses-after-focus-when-a-change-replaces-the-selected-text-firefox/9920 **Category:** v6 **Created:** [October 19, 2026, 7:57pm UTC](https://discuss.codemirror.net/t/selection-collapses-after-focus-when-a-change-replaces-the-selected-text-firefox/9920 "2026-10-19T19:57:37Z") **Posts on this page:** 2 **Page:** 1

### Author: ![yacine.souadda](https://discuss.codemirror.net/user_avatar/discuss.codemirror.net/yacine.souadda/32/5566_2.png) [@yacine.souadda](https://discuss.codemirror.net/u/yacine.souadda) #### Post date: [October 19, 2026, 7:57pm UTC](https://discuss.codemirror.net/t/selection-collapses-after-focus-when-a-change-replaces-the-selected-text-firefox/9920/1 "2026-10-19T19:57:37Z")

**Selection collapses after focus() when a change replaces the selected text (Firefox)** Versions: @codemirror/view 6.43.14, @codemirror/state 6.7.6. Firefox 157.0 (Playwright 1.64 build, Linux). Not reproduced in Chromium 156. I also see it in WebKit 27.2 in a larger setup but not with the minimal page below. ```auto

``` ---

### Author: ![marijn](https://discuss.codemirror.net/user_avatar/discuss.codemirror.net/marijn/32/136_2.png) [@marijn](https://discuss.codemirror.net/u/marijn) #### Post date: [October 20, 2026, 3:36pm UTC](https://discuss.codemirror.net/t/selection-collapses-after-focus-when-a-change-replaces-the-selected-text-firefox/9920/2 "2026-10-20T15:36:06Z")

This patch seems to help. > **[Don't force a selection update when already updating · 0ebe2c0652](https://code.haverbeke.berlin/codemirror/view/commit/0ebe2c0652fdc34cd53d5a28d21ef86b0c5489f8)** > > FIX: Fix an issue that could, when updating the editor right after focusing it, > cause the selection to end up in the wrong place. > > See...