form fix(form-core): Fix memory leaks from EventClient

🎯 Changes

The PR addresses two memory leaks related to the EventClient:

[x] Unsubscribe from event listeners on cleanup
[ ] Fix queuedEvents from piling up FormApi references

🚀 Release Impact

[x] This change affects published code, and I have generated a changeset.
[ ] This change is docs/CI/dev-only (no release).

Nov 20 '25 08:11 LeCarbonator

⚠️ No Changeset found

Latest commit: e7f81f1cd0ba3693de187cc8a57df9bd9fab3815

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes no changesets

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Nov 20 '25 08:11 changeset-bot[bot]

View your CI Pipeline Execution ↗ for commit e7f81f1cd0ba3693de187cc8a57df9bd9fab3815

Command	Status	Duration	Result
`nx affected --targets=test:sherif,test:knip,tes...`	✅ Succeeded	1m 26s	View ↗
`nx run-many --target=build --exclude=examples/**`	✅ Succeeded	33s	View ↗

☁️ Nx Cloud last updated this comment at 2025-12-11 10:16:50 UTC

Nov 20 '25 08:11 nx-cloud[bot]

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commit: e7f81f1

Nov 20 '25 08:11 pkg-pr-new[bot]

Codecov Report

:x: Patch coverage is 25.00000% with 15 lines in your changes missing coverage. Please review. :white_check_mark: Project coverage is 89.40%. Comparing base (6892ed0) to head (e7f81f1). :warning: Report is 94 commits behind head on main.

Files with missing lines	Patch %	Lines
packages/form-core/src/FormApi.ts	25.00%	12 Missing and 3 partials :warning:

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1866      +/-   ##
==========================================
- Coverage   90.35%   89.40%   -0.96%     
==========================================
  Files          38       48      +10     
  Lines        1752     1934     +182     
  Branches      444      479      +35     
==========================================
+ Hits         1583     1729     +146     
- Misses        149      184      +35     
- Partials       20       21       +1

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Nov 20 '25 08:11 codecov[bot]

Related PR: https://github.com/TanStack/devtools/pull/272

Nov 26 '25 15:11 LeCarbonator

Also experiencing this, I made the forms client only to temporarily mitigate the issue.

Dec 04 '25 16:12 martinliptak