[tooling] Replace Karma w/ a modern test runner
Open
@camdecoster is already working on this.
Since May 8, 2026.
feature
infrastructure
P2
- Dominant language
- JavaScript
- Stars
- 18.3k
- Forks
- 2k
- Avg merge
- 2d 12h
- Merged PRs (30d)
- 28
Description
Karma got deprecated on Apr 27 2023, and it's recommended to see alternatives.
The affected packages used in this repo are:
"karma": "^6.4.2",
"karma-chrome-launcher": "^3.2.0",
"karma-firefox-launcher": "^2.1.2",
"karma-ie-launcher": "^1.0.0",
"karma-jasmine": "^3.3.1",
"karma-jasmine-spec-tags": "^1.3.0",
"karma-spec-reporter": "^0.0.36",
"karma-verbose-reporter": "^0.0.8",
"karma-viewport": "1.0.2",
"karma-webpack": "^5.0.0",
Note that the karma-webpack was swapped for karma-esbuild in ( #6909 ).
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Assessment
This issue has not been assessed yet.