# rspack v2.2.2

- Product: rspack (https://whatsnew.fyi/product/rspack)
- Vendor: rspack
- Date: 2026-09-01
- Version: v2.2.2
- Original notes: https://github.com/web-infra-dev/rspack/releases/tag/v2.2.2
- Permalink: https://whatsnew.fyi/product/rspack/releases/v2.2.2

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

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- **added** — Add infrastructure logging to the new cache
- **added** — Add JavascriptModulesPlugin.getChunkFilenameTemplate
- **changed** — Optimize deterministic module id assignment
- **changed** — Share runtimes in flag dependency usage
- **changed** — Optimize module rendering for chunk assets
- **changed** — Optimize create module hashes
- **fixed** — Generate correct prefetch child assets
- **fixed** — Keep import.meta.url in createRequire when importMeta is disabled
- **fixed** — Align module need_build and FileSystemInfo with webpack
- **fixed** — Support all EnvironmentPlugin default values
- **fixed** — Improve incremental chunk graph reuse
- **fixed** — Await patch delivery before sealing completes in rsdoctor
- **fixed** — Ignore exportsOnly in local ident hashes for CSS
- **fixed** — Fallback eval devtools for modern-module
- **fixed** — Report diagnostics for unsupported context modes

##### What's Changed
###### New Features 🎉
* feat(cache): add intrastructure logging to the new cache by @ahabhgk in https://github.com/web-infra-dev/rspack/pull/15338
* feat(javascript): add JavascriptModulesPlugin.getChunkFilenameTemplate by @kakiuwang-ui in https://github.com/web-infra-dev/rspack/pull/15280
###### Performance 🚀
* perf(ids): optimize deterministic module id assignment by @LingyuCoder in https://github.com/web-infra-dev/rspack/pull/15393
* perf: share runtimes in flag dependency usage by @LingyuCoder in https://github.com/web-infra-dev/rspack/pull/15388
* perf(core): optimize module rendering for chunk assets by @LingyuCoder in https://github.com/web-infra-dev/rspack/pull/15394
* perf(core): optimize create module hashes by @LingyuCoder in https://github.com/web-infra-dev/rspack/pull/15396
###### Bug Fixes 🐞
* fix(stats): generate correct prefetch child assets by @chenjiahan in https://github.com/web-infra-dev/rspack/pull/15208
* fix: keep import.meta.url in createRequire when importMeta is disabled by @lazerg in https://github.com/web-infra-dev/rspack/pull/15273
* fix(core): align module need_build and FileSystemInfo with webpack by @hardfist in https://github.com/web-infra-dev/rspack/pull/15374
* fix(types): support all EnvironmentPlugin default values by @chenjiahan in https://github.com/web-infra-dev/rspack/pull/15382
* fix: improve incremental chunk graph reuse by @LingyuCoder in https://github.com/web-infra-dev/rspack/pull/15373
* fix(rsdoctor): await patch delivery before sealing completes by @kakiuwang-ui in https://github.com/web-infra-dev/rspack/pull/15399
* fix(css): ignore exportsOnly in local ident hashes by @mattcosta7 in https://github.com/web-infra-dev/rspack/pull/15364
* fix: fallback eval devtools for modern-module by @JSerFeng in https://github.com/web-infra-dev/rspack/pull/15404
* fix: report diagnostics for unsupported context modes by @dr4gan0x in https://github.com/web-infra-dev/rspack/pull/15361
###### Refactor 🔨
* refactor(loader): reuse filesystem snapshots for cache dependencies by @intellild in https://github.com/web-infra-dev/rspack/pull/15366
* refactor(core): remove BuildInfo clone by @hardfist in https://github.com/web-infra-dev/rspack/pull/15377
###### Document 📖
* docs: correct compact hashed API names by @LingyuCoder in https://github.com/web-infra-dev/rspack/pull/15358
* docs: improve built-in plugin overview and examples by @chenjiahan in https://github.com/web-infra-dev/rspack/pull/15354
* docs: move webpack attribution to page footer by @chenjiahan in https://github.com/web-infra-dev/rspack/pull/15365
* docs: improve low-level plugin documentation by @chenjiahan in https://github.com/web-infra-dev/rspack/pull/15368
* docs: update webpack plugin compatibility by @chenjiahan in https://github.com/web-infra-dev/rspack/pull/15369
* docs: remove version info before Rspack 1.3.0 by @chenjiahan in https://github.com/web-infra-dev/rspack/pull/15371
* docs: standardize plugin documentation structure by @chenjiahan in https://github.com/web-infra-dev/rspack/pull/15378
* docs: improve BannerPlugin option documentation by @chenjiahan in https://github.com/web-infra-dev/rspack/pull/15392
* docs: improve IgnorePlugin documentation by @chenjiahan in https://github.com/web-infra-dev/rspack/pull/15395
* docs: improve plugin option documentation by @chenjiahan in https://github.com/web-infra-dev/rspack/pull/15398
* docs: remove extra code block spacing in collapse panels by @LingyuCoder in https://github.com/web-infra-dev/rspack/pull/15403
* docs: improve ContextReplacementPlugin documentation by @chenjiahan in https://github.com/web-infra-dev/rspack/pull/15410
* docs: improve CssExtractRspackPlugin documentation by @chenjiahan in https://github.com/web-infra-dev/rspack/pull/15411
* docs: improve HtmlRspackPlugin documentation by @chenjiahan in https://github.com/web-infra-dev/rspack/pull/15412
* docs: improve HTML plugin guidance by @chenjiahan i

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