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* maxg/cache_1_equiv: Fix testkey
* maxg/cache_2_envcache: Fix testkey
* maxg/cache_2_envcache: Fix testkey
* maxg/cache_2_envcache: Fix testkey
* maxg/cache_1_equivalency: include other TestKeys Fix testkey
* maxg/cache_2_envcache: include other TestKeys Fix testkey
* maxg/cache_2_envcache: include other TestKeys Fix testkey
* maxg/cache_2_envcache: include other TestKeys Fix testkey
* maxg/cache_1_equivalency: Cleanup
* maxg/cache_2_envcache: Merge. Cleanup
* maxg/cache_2_envcache: More tests Tests and fixes
* maxg/cache_2_envcache: Existentials for Xcode 15
* maxg/cache_2_envcache: Enable logging for test. Tweak internal env api. Log guard
* maxg/cache_2_envcache: Release 6.3.0 Assert in debug mode when large content viewer is not placed inside an interaction container Expose largeContentViewerInteraction on LargeContentViewer backing view via protocol Stopped installing xcodes in GitHub Actions file chore: Release 6.2.0 Support accessibility large content viewer Squash
This was referenced Sep 4, 2025
watt
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Sep 30, 2025
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Can you rebase this on the maxg/cache_2_envcache branch? Looks like it's got some changes from the other 2 stacked PRs mixed in.
watt
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Oct 8, 2025
watt
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Dec 18, 2025
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Looking good overall, just still a few open questions/comments from the last review on this one.
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Neat! I'd love to try this out in the Catalog app. Would it be possible to spin up a branch with the new layout settings enabled?
* maxg/cache_2_envcache: Ref semantics for caches Ref semantics for caches
watt
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Feb 14, 2026
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Approved pending a couple small tweaks! 👍
Comment on lines
+98
to
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| if let layoutMode, layoutMode.options.skipUnneededSetNeedsViewHierarchyUpdates, let crossLayoutCacheable = element as? CrossLayoutCacheable, crossLayoutCacheable.isCacheablyEquivalent( | ||
| to: oldValue as? CrossLayoutCacheable, | ||
| in: .all | ||
| ) { |
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similar thing for layotuMode + a formatting suggestion to reduce line length
Suggested change
| if let layoutMode, layoutMode.options.skipUnneededSetNeedsViewHierarchyUpdates, let crossLayoutCacheable = element as? CrossLayoutCacheable, crossLayoutCacheable.isCacheablyEquivalent( | |
| to: oldValue as? CrossLayoutCacheable, | |
| in: .all | |
| ) { | |
| let layoutMode = self.layoutMode ?? RenderContext.current?.layoutMode ?? environment.layoutMode | |
| if | |
| layoutMode.options.skipUnneededSetNeedsViewHierarchyUpdates, | |
| let crossLayoutCacheable = element as? CrossLayoutCacheable, | |
| crossLayoutCacheable.isCacheablyEquivalent( | |
| to: oldValue as? CrossLayoutCacheable, | |
| in: .all | |
| ) | |
| { |
- layoutMode (formatting optional)
|
|
||
| self.element = element | ||
| self.environment = environment | ||
| self.environment.hostingViewContext = hostingViewContext |
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resurrected from a resolved comment:
shouldn't need to set this here, it'll be applied during makeEnvironment. self.environment is the "base"
- only set hostingViewContext in
makeEnvironment
| // Shortcut: If both environments were empty, nothing changed. | ||
| if oldValue.isEmpty && environment.isEmpty { return } | ||
| // Shortcut: If there are no changes to the environment, then, well, nothing changed. | ||
| if let layoutMode, layoutMode.options.skipUnneededSetNeedsViewHierarchyUpdates && oldValue.isCacheablyEquivalent( |
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adapting a previous comment into a suggestion:
Suggested change
| if let layoutMode, layoutMode.options.skipUnneededSetNeedsViewHierarchyUpdates && oldValue.isCacheablyEquivalent( | |
| let layoutMode = self.layoutMode ?? RenderContext.current?.layoutMode ?? environment.layoutMode | |
| if layoutMode.options.skipUnneededSetNeedsViewHierarchyUpdates && oldValue.isCacheablyEquivalent( |
- resolve layoutmode the way layout does
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3/3 for caching changes.
Design doc: https://docs.google.com/document/d/1CLhFbzZGbEKgvZTUwLuGbFY-rfZNJVTi6f3PkoZT9qI/edit?usp=sharing
Adds support for caching AttributedLabel string normalization results.
Adds support for skipping calls to setNeedsViewHierarchyUpdate when Environment and Element value changes are equivalent.
Adds support for caching MeasureableStorage measurements.