Blog post: https://parceljs.org/blog/v2-12-0/
Added
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Core
- Add REPL playground for Parcel to the website – Details
- Improve package manager detection for auto install – Details
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JavaScript
- Add support for JS macros – Details
- Statically evaluate constants referenced by macros – Details
- Upgrade to ESLint 8 – Details
- Bump swc – Details
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CSS
- Use lightningcss to implement CSS packager – Details
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Bundler
- Rename "parentAsset" to "root" for Manual Shared Bundle config and remove unstable prefix – Details
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Web Extensions
- Add content script world property to manifest schema validation – Details
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Performance
- Adjacency list optimizations – Details
- Break up request graph cache serialisation and run after build completion – Details
Fixed
-
Core
- Drop per-pipeline transformation cache – Details
- Clippy and use napi's Either3 – Details
- Add lazy/eager cache key to avoid invalid change when switching modes – Details
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JavaScript
- Remove decl_collector pass and use SWC's unresolved_mark instead – Details
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Bundler
- Fix multiple css bundles in entry bundle groups issue – Details
- Allow parallel type change bundles to be reused by async siblings – Details
- Skip on missing parent asset for manual shared bundles – Details
Unstable
- Add source map support to the inline-require optimizer – Details
