We're currently on Jest 24 26 (current: 27) and ts-jest 24 26. Now that we've upgraded to TS 4.1, we're unblocked from upgrading these deps. Unfortunately this is likely to require a significant amount of work.
Jest 25 release notes
Jest 26 release notes
Jest 27 release notes
ts-jest changelog (note that they don't use semver)
More motivation:
ts-jest 24 gives this warning in our build today...
Version 4.1.5 of typescript installed has not been tested with ts-jest. If you're experiencing issues, consider using a supported version (>=2.7.0 <4.0.0). Please do not report issues in ts-jest if you are using unsupported versions.
- using old JSDOM that doesn't support MutationObservers and other platform features
- wrong/insufficient jest typings
Tasks
Optional Tasks:
We're currently on Jest
2426 (current: 27) and ts-jest2426. Now that we've upgraded to TS 4.1, we're unblocked from upgrading these deps. Unfortunately this is likely to require a significant amount of work.Jest 25 release notesJest 26 release notesJest 27 release notes
ts-jest changelog (note that they don't use semver)
More motivation:
ts-jest 24 gives this warning in our build today...Tasks
Optional Tasks: