Sourced from ts-jest's changelog.

27.0.2 (2021-05-30)

Bug Fixes

• compiler: add empty string file content to compiler cache (#2633) (0feb556), closes #2625
• config: exclude should only exclude files which match glob values (#2637) (c5ce979), closes #2634

27.0.1 (2021-05-26)

Bug Fixes

• cli: keep testMatch if old jest config contains it (#2618) (c568f49), closes #2616
• compiler: make sure isolatedModules: false use updated compiler options (#2628) (348e30f), closes #2629
• add missing export presets (#2624) (0ea025e), closes #2623

27.0.0 (2021-05-25)

Bug Fixes

• compiler: return file content on emitSkipped for non ts/tsx files (#2519) (a4e5640), closes #2513
• compiler: retype check other files if processing file is used by those ones in watch mode (#2481) (ac8f3d0), closes #943
• compiler: initialize compiler with .ts/.tsx/.d.ts files only (#2458) (a89f0e2), closes #2445
• compiler: resolve nested imported modules for each processing file (#2436) (3cb9019), closes #1390 #1747
• config: create fallback jest config when jest config is undefined (#2433) (c6d6e4c), closes #2085
• remove @types/jest from direct dep (#2409) (8913120), closes #2406 #2411
• compiler: return original file content and show warning on emit skip (#2410) (c2b2164), closes #2407
• compiler: type check correctly in watch mode when a file content itself has changed (#2405) (064bf3a), closes #2118
• compiler: exclude files in outDir from compiler source files (#2375) (ec68c74), closes #2350 #2374
• config: cache config and compiler correctly between runs (#2356) (5f91336)
• config: improve emit skipped error message (#2358) (2ae8df4), closes #2350
• typings: set correct typing for tsconfig option (#2383) (584324a), closes #2368
• config: invalidate Jest transform cache when astTransformers value changes (#2345) (d726016)
• reduce size of node_modules when adding ts-jest (#2263) (8e0675c)

Features

• config: allow disable sourcemap (#2544) (47da6ad)
• compiler: expose TsCompiler as public api (#2344) (871cd6a)
• config: support typed config options for jest config typescript (#2335) (3cfc37b)
• presets: add typing for presets entry point (#2337) (1a3058f)
• compiler: allow custom transformers to access internal Program (#2299) (387964f)
• config: replace pathRegex with exclude (#2295) (f2f99c3)

... (truncated)

• f38caba chore(release): 27.0.2 (#2639)
• a0821e5 refactor(compiler): increase project version based on module value (#2638)
• c5ce979 fix(config): exclude should only exclude files which match glob values (#2637)
• eaa4e13 build(deps): bump ws from 7.4.5 to 7.4.6 in /e2e/templates/default (#2635)
• 0feb556 fix(compiler): add empty string file content to compiler cache (#2633)
• e6fb636 build(deps): bump dns-packet from 1.3.1 to 1.3.4 in /website (#2630)
• d1c92fa chore(release): 27.0.1 (#2627)
• 348e30f fix(compiler): make sure language service use updated compiler options (#2628)
• c568f49 fix(cli): keep testMatch if old jest config contains it (#2618)
• 0ea025e fix: add missing export presets (#2624)
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