Sourced from ts-jest's changelog.

25.5.1 (2020-05-09)

Bug Fixes

• compiler: don't resolve files from build folder for projectReferences (#1614) (74b92d3)
• config: don't set include value of tsconfig to empty array (#1606) (8a29aaa)

25.5.0 (2020-05-05)

Bug Fixes

• compiler: make projectReferences work with isolatedModules: false (#1541) (3e8efbe)
• compiler: allow using files provided by tsconfig (#1562) (a9f02bd)
• config: verify testMatchPatterns contain RegExp instance or string type values (#1569) (7f85bab)

Features

• config: add tsconfig alias to tsConfig option (#1565) (c10eb6d)
• config: define 'ts-jest' on ConfigGlobals interface of @jest/types (#1592) (4526392)

Performance Improvements

• compiler: don’t write compile output to file system but rely on jest cache (#1561) (d11a4ea)
• compiler: improve performance for isolatedModules: false (#1558) (85c09e3)

BREAKING CHANGES

• Any custom typing files or files which are needed to be compiled and intended to use with jest need to be defined in files option of tsconfig.

For example:

// tsconfig.json
{
   // ...other configs
   "files": [
       "my-custom-typings.d.ts",
       "my-global-module.ts"
   ]
}

• compiler: incremental and compilerHost options are no longer available. Please remove it from your ts-jest config.

... (truncated)

• 4d4850e chore(release): 25.5.1 (#1611)
• 74b92d3 fix(compiler): don't resolve files from build folder for projectReferences ...
• 8a29aaa fix(config): don't set include to empty array (#1606)
• 5cdbabb chore(release): prepare 25.5.0 release
• 45502b6 chore(release): update CHANGELOG and version for 25.5.0
• b032d5d build(deps-dev): organize dependencies' versions consistently (#1596)
• 4526392 feat(config): define 'ts-jest' on ConfigGlobals interface of @jest/types ...
• 526265d chore: migrate tslint to eslint (#1590)
• 720c854 chore: remove unused variable input in readTsConfig of ConfigSet (#1584)
• de59e3f test: correct unit tests and e2e tests for language service (#1579)
• Additional commits viewable in compare view

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