Highlights

This seemingly small release brings a number of new features and important bugfixes:

1. Adds support for the Junit 5 engine via the new zio-test-junit-engine module #9214.
2. [ScalaJS] Adds support for accessing environment variables via zio.System in JS engines that support it (e.g., NodeJS) #9282.
3. Fixes a bug to an issue some users faced with ZStream.mapZIOPar* methods since v2.1.12 #9312.

As always, this version is fully source and binary compatible with the rest of the v2.x series.

What's Changed

• Add junit 5 engine for zio tests. Resolves #6724 by @vincent-raman in #9214
• Fix Span Substring Bounds Handling by @Saturn225 in #9285
• Make environment variables access platform-specific by @mhriemers in #9282
• Allow creation of child fibers within uninterruptible regions on interrupted fibers by @kyri-petrou in #9295
• Ensure that FiberRuntime auto-yields when evaluating WhileLoops by @kyri-petrou in #9289
• Improve subtype global cache performance by @kyri-petrou in #9296
• Fix memory leak in ZKeydPool#invalidate by @kyri-petrou in #9307
• Reduce the size of code generated by layer macros by @joroKr21 in #9281
• Fix interruption propagation in ZChannel#mapOutPar* methods by @kyri-petrou in #9312

Other changes (CI, dependencies and documentation)

• Doc: Simplify example by @guizmaii in #9287
• fix(deps): update dependency @zio.dev/zio-prelude to v1.0.0-rc32 by @renovate in #9290
• fix(deps): update dependency postcss to v8.4.48 by @renovate in #9292
• fix(deps): update dependency postcss to v8.4.49 by @renovate in #9294
• fix(deps): update dependency @zio.dev/zio-prelude to v1.0.0-rc33 by @renovate in #9293
• Fix flaky interruption test by @kyri-petrou in #9299
• fix(deps): update dependency @zio.dev/zio-logging to v2.4.0 - autoclosed by @renovate in #9298
• fix(deps): update dependency @zio.dev/zio-kafka to v2.9.0 by @renovate in #9301
• fix(deps): update dependency @zio.dev/zio-prelude to v1.0.0-rc34 by @renovate in #9302
• fix(deps): update dependency tailwindcss to v3.4.15 by @renovate in #9305
• Fix timeouts in ZStream test by @kyri-petrou in #9313
• Fix release CI (#9317) @kyri-petrou

New Contributors

• @Saturn225 made their first contribution in #9285
• @mhriemers made their first contribution in #9282

Full Changelog: v2.1.12...v2.1.13