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Incremental UI layout updates - #25653

Merged

alice-i-cecile merged 396 commits into

bevyengine:mainfrom

ickshonpe:incremental-ui-updates

Oct 14, 2026

Merged

Incremental UI layout updates#25653
alice-i-cecile merged 396 commits into
bevyengine:mainfrom
ickshonpe:incremental-ui-updates

This pull request is big! We're only showing the most recent 250 commits

Commits on Aug 31, 2026
- Removed `visited` flag from `ComputedLayout`.
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- mark trees dirty
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- Merge branch 'main' into ui-layout-tree-transform-tree-changed
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  29699d4
- fix everything
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- `update_clipping`'s condition is wrong, changed it to return on tree not changed.
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- Added test for clipping (failing)
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  1853eca
- Moved `clipping_updates_on_layout_changes` test into layout module
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- Deleted the experimental module from layout.
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- Removed `GhostNode`s feature gate
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- unhaunted uistack
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- Removed more ghost_nodes gates
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- readded ghost nodes module
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- Removed ghost nodes feature, ghost nodes always enabled
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Commits on Sep 1, 2026
- Merge branch 'main' into ui-layout-tree-haunted-2
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- fix layout tests
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  9f59c3e
- moved clipping tests to layout module
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- Removed sync_simple_transforms and propagate_parent_transforms from setup_ui_test_app
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  6650030
- updated stack module to not use the ghost nodes system params
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  9af7821
- Added FixedNode + GhostNode comments
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- Changed `Accessibility` to use regular queries
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- Removed redundant comment from TextSpanIter
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- Removed experimental module import
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- Removed ghost_hierarchy and experimental modules.
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- Added another ghostnode doc comment
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- update update module
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- more GhostNode doc commentary
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- updated debug module
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- updated ghost nodes example
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Commits on Sep 2, 2026
- More `GhostNode` doc comments
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- Renamed `update_taffy_styles` to `sync_taffy_styles_with_nodes`.
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  fdade0e
- Fixed incorrect assert in unghost_ghost_node_with_fixed_and_normal_children
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- more doc comments for fields
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- Roots were skipped in `mark_dirty_ui_trees` because `ChildOf` in the trees query was non-optional. Made it optional.
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  ea0dfb3
- Leaf nodes not rendering because they are skipped by
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  cdabbcb
- Added regression test for computed nodes leaf nodes bug
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  dfd6b5c
- New clipping submodule of layout, moved `update_clipping_system` there from `update`.
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  1d5aec8
- fixed feather scrollbar schedule
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  c20ef94
- Filter for `ComputedStackIndex` instead of `Node` in ui_stack_system again.
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  d41d062
- Removed unused import
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- Merge branch 'main' into incremental-ui-updates
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  04335bf
- Removed unused imports.
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  14fad39
- Updated release content
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  4e12e61
- release content formatting
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  6d9c7c7
- Updated migration guide
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  7397ad8
- Fixed typo
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- Removed commented out code.
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  553c528
- removed mark_dirty_trees from test UI schedule
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- Merge branch 'main' into incremental-ui-updates
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- Merge branch 'main' into incremental-ui-updates
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  eba3149
- Merge branch 'incremental-ui-updates' of https://github.com/ickshonpe/bevy into incremental-ui-updates
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  b35bc27
- Fixed typos
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  8868f53
- fixed formatting
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  20c9998
- Merge branch 'main' into incremental-ui-updates
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- Merge branch 'main' into incremental-ui-updates
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- Merge branch 'incremental-ui-updates' of https://github.com/ickshonpe/bevy into incremental-ui-updates
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- Merge branch 'main' into incremental-ui-updates
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- Merge branch 'main' into incremental-ui-updates
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Commits on Sep 3, 2026
Commits on Sep 4, 2026
Commits on Sep 5, 2026
- Merge branch 'main' into incremental-ui-updates
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Commits on Sep 14, 2026
Commits on Sep 17, 2026
- Renamed `UiTreeChanged` to `UiTreeDirty`
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- Added more comments
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- Since `FixedNode`s create a new layout context, changes to a `FixedNode` or its descendants do not affect their ancestors. Upwards dirty tree propagation in `mark_dirty_ui_trees` is now aborted whe…
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- Made `compute_layout` function `pub`
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- Merge branch 'main' into incremental-ui-layout
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- renamed release note
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- In `ui_layout_system`, before adding a `FixedNode` to `root_stack`, walk the ancestors of each `FixedNode` and check that they are a valid UI node. Otherwise ignore the `FixedNode` and leave it un`…
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- Clarify more doc comments
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- Added `geometry_updates_skip_clean_subtrees` test, fails.
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  324bd20
- Added `clear_transient_dirty_flags` system, clear the dirty flags for each `ComputedLayout` in `UiSystems::Prepare` at the start of each frame.
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- updated more doc comments
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- removed unused lifetime from sync_runtime_layout_tree
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  4d464bc
- Removed unused `RemSize` parameters.
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  53aacaa
- Fixed doc list indentation
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  9c42cd9
- Fixed system ambiguities with `update_border_radius`.
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  6a538be
- Updated release content
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  ed596f5
- updated release note
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  ed40a7c
- Fix release content formatting
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  8e6ad4c
- Updated release note
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  11a14f2
- Updated `UiSurface` migration guide.
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  114e22d
- Removed trailing space from UiSurface migration guide.
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  eafc177
- Fixed spelling.
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  ff6a0ea
- Another migration guide edit.
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  a0022a2
- Another migration guide edit.
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  8b5a677
- Added `percentage_sizes_are_based_on_closest_non_ghost_ancestor` test.
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  b31cf54
- added `percentage_sizes_are_updated_after_ghost_removal` test
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  6abd18c
- Added percentage_sizes_are_updated_after_intermediate_ghost_insertion_and_removal test.
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  7fa0f26
- Clear the `ComputedLayout` for each `GhostNode` after compute layout.
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  f81d4be
- New test `adding_fixednode_clears_inherited_clipping`.
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- Merge branch 'main' into incremental-ui-updates
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  1ae6dac
- Added test `adding_fixednode_updates_sibling`.
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- Merge branch 'incremental-ui-updates' of https://github.com/ickshonpe/bevy into incremental-ui-layout
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  0af609b
- Merge branch 'main' into incremental-ui-updates
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  0a766ba
- Added `adding_fixednode_updates_sibling_clipping` test (failing).
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  cea3c8f
- don't skip if layout dirty in update_clipping
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  9b29360
- Consolidated clipping skip conditions.
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  8dfe18f
- Merge branch 'incremental-ui-updates' of https://github.com/ickshonpe/bevy into incremental-ui-layout
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  3429064
- Merge branch 'main' into incremental-ui-layout
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  committed
  1a48fb1
- Fixed test imports
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  70e122a
- Fix for consistant formatting lint.
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  abe032a
- Merge branch 'main' into incremental-ui-updates
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  bbc56ee
- removed failing test
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  5e92a8e
- Merge branch 'incremental-ui-updates' of https://github.com/ickshonpe/bevy into incremental-ui-layout
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  10dc344
- Added node_parented_to_empty_root_should_be_cleared test (failing).
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  756cdcc
- Record reachability only on full walks.
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  3bf9251
- Added note about `GhostNode`s being included in `UiStack` to the migration guide.
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- Merge branch 'main' into incremental-ui-updates
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Commits on Sep 18, 2026
Commits on Sep 22, 2026
- Merge branch 'main' into incremental-ui-layout
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Commits on Sep 23, 2026
- Merge branch 'main' into incremental-ui-layout
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  f4d8853
- Moved the tests into a separate submodule under layout.
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  05256c7
- Simplified `LayoutTree`'s lifetime parameters.
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  eb24c92
- Updated comments for `ui_layout_tree`
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  ce053e6
- Renamed `LayoutError::InvalidHierarchy` to `InvalidUiRoot`
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  819b030
- Renamed `layout_changed` to `layout_dirty`.
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  cc07638
- Edited `GhostNode` doc comments.
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  9795aff
- Added `rounding_is_updated_on_hierarchy_changes_even_if_unrounded_layout_not_changed` test (failing).
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- Also reround layout if `needs_full_walk` set.
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  797e23a
- Added invalid UI root warning.
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  4a19cad
- Code reformatting.
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  4fd2004
- Added another FixedNode comment
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  78b9aab
- Added `update_ui_roots` system and `UiRoots` resource.
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  51227fd
- Added fixed node validation to `update_ui_roots`
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  83c73b3
- Added `UiRoots` and `update_ui_roots` to `UiPlugin. Replaced queries with `UiRoots` during layout.
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  56eee19
- Added `UiRoots` and `uipdate_ui_roots` to UI test app.
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  2081a03
- Need to track ghost roots as well for geometry updates
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  d8a828b
- Clear all_roots in UiRoots::Clear
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  c9565a2
- `FixedNode`s changed again, a `FixedNode` with all `GhostNode` ancestors is a `FixedNode`, not a regular root node. All tests pass.
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- Added regression test `display_none_on_a_ghost_node_is_ignored`.
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- Merge branch 'incremental-ui-layout-uiroots' into incremental-ui-layout
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- Merge branch 'main' into incremental-ui-layout
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  b06db95
- Use `UiRoots` in clipping.
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  ff89179
- Cleaned up UiRoots docs and renamed fields for clarity.
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- Merge branch 'main' into incremental-ui-layout
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  f606b57
- Doc comment edit
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  86e8cf3
- Fixes for CI.
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- renamings "unparented*" -> "parentless*"
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Commits on Sep 24, 2026
- Added doc comments for UI roots
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  a29a373
- Moved update_clipping_system into new Clipping SystemSet
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  d5f36eb
- New system set `UiSystems::Adjustment`. Between `Layout` and `Clipping`, for systems that adjust the layout after it's been updated.
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  03b18f3
- Moved update_scrollbar_thumb into `Adjustment`.
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  cd43189
- Removed unused
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- Merge branch 'main' into incremental-ui-layout
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  aed3c6f
- moved `update_ui_roots` into `Layout`
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  7ba9c57
- Removed unused `root_stack` param from `ui_layout_system`.
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  c15628e
- moved `update_scrollbar_visibility` to `PostLayout`.
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  c61a162
- Merge branch 'main' of https://github.com/ickshonpe/bevy into incremental-ui-layout
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  9bdae52
- Fix schedule conflicts
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Commits on Sep 25, 2026
- Merge branch 'main' into incremental-ui-layout
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  a09114e
- Removed `Adjustment` system set changes as gratuitous.
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Commits on Sep 27, 2026
- Merge branch 'main' into incremental-ui-layout
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  ddb550b
- Removed trailing whitespace
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  dc5e8c9
- Reverted sync_editable_text_viewports schedule changes
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  92bee68
Commits on Sep 28, 2026
Commits on Sep 29, 2026
Commits on Sep 30, 2026
Commits on Oct 1, 2026
- fixed typo
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  ace53b2
- Merge branch 'main' into incremental-ui-layout
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  fc10181
- update bevy_ui bench
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Commits on Oct 6, 2026
- Merge branch 'main' into incremental-ui-layout
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  0f2a4ed
- Added more doc comments for `update_clipping_system`.
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  e0aa420
- Made corrections to the ghost nodes migration guide.
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  7512a78
- Correct `ui_layout_system`'s doc comments.
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  6bbed99
- More doc comments, rearranged order of system functions in layout to follow match the schedule.
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  8fdd8ce
- Renamed `geometry_roots` to `transform_roots`
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  3024f70
- Added migration guide for `ui_layout_system` split.
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  fe33580
- Changed print_ui_layout_tree to take an &World parameter instead of being implemented as a system.
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  245f7dc
- Use `UiRoots` to simplify `print_ui_layout_tree` and removed the queries.
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  0839b63
- Removed incomplete doc comment, updated `UiSurface` migration guide.
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  6e9673a
- Update `ComputedNode` docs
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  f5f9a15
- updated incorrect doc links
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  bb35122
- Updated another doc link
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  d9279f5
- Add proper doc links
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  0f00ec7
- Correction for `NodeMeasure`'s doc comments.
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  7dc5ae2
- Fixed mistake in comments, "override" should be "overflow".
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  92e775a
- Fixed comments for `GhostNode` percentage resolution, should be nearest non-ghost ancestor, not grandparent.
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  a1b00c1
- Updated UiSystems doc comments
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  1ee3204
- Fix another schedule comment
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  2460110
- Fix comment its UiTreeDirty, not UiDirtyTree.
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  d34631d
- In `ComputedLayout` clear all the `has_*` component present flags as well in its `clear` method.
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  4b81386
- GhostNode migration guide and comment updates and clarifications.
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  77fc97e
- Should be "nodes" not "node" in UiRoots comment.
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  5111a63
- Clarify `get_layout`'s doc comment.
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  288780a
- Removed trailing whitespace.
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  91e3745
- Updated `UiTreeDirty` doc comments
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  aad0d87
- Fixed more typos.
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  cc8d6d3
- Merge branch 'main' into incremental-ui-layout
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  7310d33
- Markdown fixes for release content
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  f8ccf81

Commits

Commits on Aug 31, 2026

Commits on Sep 1, 2026

Commits on Sep 2, 2026

Commits on Sep 3, 2026

Commits on Sep 4, 2026

Commits on Sep 5, 2026

Commits on Sep 14, 2026

Commits on Sep 17, 2026

Commits on Sep 18, 2026