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fix(tabs): call markForCheck after each Promise.resolve().then() - 22.2.x - #17736

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igdmdimitrov wants to merge 5 commits into
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dmdimitrov/fix-17676-22.2.x
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igdmdimitrov wants to merge 5 commits into
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dmdimitrov/fix-17676-22.2.x

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@igdmdimitrov

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Closes #17676

Type of Change (check all that apply):

  • Bug fix
  • New functionality
  • Breaking change (fix or feature that would cause existing functionality to not work as expected)
  • Refactoring (no functional changes)
  • Documentation
  • Demos
  • CI/CD
  • Tests
  • Changelog
  • Skills/Agents

How Has This Been Tested?

  • Unit tests
  • Manual testing
  • Automated e2e tests

Checklist:

  • All relevant tags have been applied to this PR
  • This PR includes unit tests covering all the new code (test guidelines)
  • This PR includes API docs for newly added methods/properties (api docs guidelines)
  • This PR includes feature/README.MD updates for the feature docs
  • This PR includes general feature table updates in the root README.MD
  • This PR includes CHANGELOG.MD updates for newly added functionality
  • This PR contains breaking changes
  • This PR includes ng update migrations for the breaking changes (migrations guidelines)
  • This PR includes behavioral changes and the feature specification has been updated with them
  • Accessibility (ARIA, keyboard navigation, focus management) has been verified

Copilot AI balanced review requested due to automatic review settings October 6, 2026 15:56

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Copilot review overview

🟢 Approval recommended

The fix covers every affected deferred selection branch with focused zoneless regression tests.

Review effort: Balanced
Findings: None

What changed in this PR

Fixes zoneless tab selection rendering by explicitly scheduling change detection after deferred selection updates.

Changes:

  • Calls markForCheck() after all deferred tab-selection mutations.
  • Adds zoneless tests for initialization and dynamic tab collections.
File Description
tabs.directive.ts Schedules checks after asynchronous selection updates.
tabs.component.spec.ts Tests zoneless selection rendering paths.
tabs-components.spec.ts Adds signal-backed test hosts for dynamic tabs.

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@igdmdimitrov

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@copilot , update the changelog.md with information about this bug fix. This should be added in the latest 22.2.x version.

Co-authored-by: igdmdimitrov <49060557+igdmdimitrov@users.noreply.github.com>

Copilot AI commented Oct 7, 2026

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@copilot , update the changelog.md with information about this bug fix. This should be added in the latest 22.2.x version.

Added the IgxTabs deferred selection fix under the 22.2.2 Bug Fixes section of CHANGELOG.md. Commit: 44a9bf9.

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4 participants