chore: release (release) - 8.19.1

[jhefferman-sfdc]

Details

release 8.19.1

Does this pull request introduce a breaking change?

• 😮‍💨 No, it does not introduce a breaking change.

Does this pull request introduce an observable change?

• 🤞 No, it does not introduce an observable change.

GUS work item

W-18539058

[salesforce-nucleus]

✅ All Pre-release Checks Passed

• ✅ Check PR user has rights to execute the workflow
  PR owner is allowed to initiate release/deploy
• ✅ Check PR is approved
  PR 5375 is approved
• ✅ Check PR is mergeable
  PR 5375 is mergeable
• ⚠️ Check GUS reference is present
  PR does not contain a reference to a GUS work item. You can update it any time by including '@W-XXXXXXX' into the title or body of the PR
• ✅ Check no conflicting Github release
• ✅ Check NPM packages have not been released yet
• ⚪️ Check Maven artifacts have not been released yet (skipped)
  Skipping check since project doesn't deliver Maven artifacts
• ⚪️ Check GAV mapping exists for jar repo (skipped)
  Skipping GAV mapping check because a core jar is not being released.

[salesforce-nucleus]

🚢 Release Starting

This pull request has been merged and the release of version 8.19.1 is starting.

You can monitor the progress of the release in Nucleus by visiting the following URL.
https://nucleus.uipengsys-public.buildndeliver-s.aws-esvc1-useast2.aws.sfdc.cl/workflows/268451

[anuragoyar]

Potential Risks and Suggestions

No specific issues found that require inline comments. The changes appear to be a version bump from 8.19.0 to 8.19.1 across the LWC framework with the addition of new context-related functionality.

Summary:

This PR represents a minor version update (8.19.0 to 8.19.1) of the Lightning Web Components (LWC) framework with the following key changes:

1. New Context API Implementation:

   • Added a new context system that allows components to establish contextual relationships within the component tree
   • Introduced setContextKeys, setTrustedContextSet, and related methods to manage context
   • Added support for context providers and consumers in the component tree

2. File Changes:

   • Version bumps across all LWC packages
   • New implementation files for context functionality
   • New test files for context functionality
   • Documentation updates in README.md files
   • Updates to renderer implementations to support context

3. Test Coverage:

   • Added comprehensive hydration tests for the new context functionality
   • Added unit tests for the context implementation

The changes are well-structured and include proper test coverage for the new functionality. The context API appears to be designed as an experimental feature that is only enabled when the ENABLE_EXPERIMENTAL_SIGNALS feature flag is set.

Deployment Considerations:

This appears to be a safe update as:

1. The version change is minor (8.19.0 to 8.19.1)
2. The new context functionality is behind a feature flag (ENABLE_EXPERIMENTAL_SIGNALS)
3. The changes don't modify existing behavior but add new capabilities
4. Test coverage is comprehensive with both unit and integration tests
5. The bundlesize limit has been slightly increased to accommodate the new functionality

The PR is suitable for production deployment as it follows proper versioning practices and includes appropriate test coverage. The new functionality is opt-in through feature flags, which minimizes the risk of unexpected behavior in existing components.