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feat!: remove deprecated APIs#3090

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bennypowers wants to merge 1 commit intostaging/pfe5from
feat/remove-deprecated-apis
Open

feat!: remove deprecated APIs#3090
bennypowers wants to merge 1 commit intostaging/pfe5from
feat/remove-deprecated-apis

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Summary

  • Remove CascadeController and @cascades decorator -- use @lit/context instead
  • Remove SlotController.anonymous -- use SlotController.default instead
  • Remove pf-popover closeButtonLabel property and close-label attribute -- use accessible-close-label instead
  • pfeCustomElementsManifestConfig was already removed from the codebase; closing Remove deprecated pfeCustomElementsManifestConfig from pfe-tools #2975 for tracking

Closes #2975, #2974, #2973, #2972

Test plan

  • Verify no remaining references to removed APIs
  • Verify pf-popover close button still works with accessible-close-label
  • Verify SlotController still works with SlotController.default

- Remove CascadeController and @Cascades decorator (use @lit/context)
- Remove SlotController.anonymous (use SlotController.default)
- Remove pf-popover closeButtonLabel / close-label attribute
  (use accessible-close-label)

pfeCustomElementsManifestConfig was already removed from the codebase.

Closes #2975, closes #2974, closes #2973, closes #2972

Assisted-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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changeset-bot bot commented Apr 15, 2026

🦋 Changeset detected

Latest commit: 4c02b1e

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 2 packages
Name Type
@patternfly/pfe-core Major
@patternfly/elements Major

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

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✅ Commitlint tests passed!

More Info
{
  "valid": true,
  "errors": [],
  "warnings": [],
  "input": "feat!: remove deprecated APIs"
}

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Deploy Preview for patternfly-elements ready!

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🔨 Latest commit 5556957
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@github-actions github-actions bot added the AT passed Automated testing has passed label Apr 15, 2026
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SSR Test Run for 5556957: Report

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