Cherry-pick "git: Remove unnecessary block map recomputation when splitting SplittableEditor (#49075)" to v0.224.x#49127
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cole-miller merged 1 commit intov0.224.xfrom Feb 13, 2026
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…tableEditor` (#49075) We had a call to `BlockMap::unfold_intersecting` that ended up recomputing the entire block map for the RHS _without_ spacers, only to throw it away in favor of the version with spacers a few lines down. Now we only sync each block map once in `set_companion`. Release Notes: - Improved performance when toggling from the unified diff to the split diff. Co-authored-by: Jakub <jakub@zed.dev> Co-authored-by: Cameron McLoughlin <cameron.studdstreet@gmail.com>
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Release Notes: