v4.48.1

Compare Source

2025-08-25

Bug Fixes

• Correctly ignore white-space in JSX strings around line-breaks (#​6051)

Pull Requests

• #​6051: fix: handle whitespace according to JSX common practice (@​cyyynthia)
• #​6078: build: optimize pipeline take two (@​cyyynthia)

v4.48.0

Compare Source

2025-08-23

Features

• If configured, also keep unparseable import attributes of external dynamic imports in the output(#​6071)

Bug Fixes

• Ensure variables referenced in non-removed import attributes are included (#​6071)

Pull Requests

• #​6071: Keep attributes for external dynamic imports (@​TrickyPi)
• #​6079: fix(deps): update swc monorepo (major) (@​renovate[bot])
• #​6080: fix(deps): lock file maintenance minor/patch updates (@​renovate[bot])

v4.47.1

Compare Source

2025-08-21

Bug Fixes

• Revert build process changes to investigate issues (#​6077)

Pull Requests

• #​6077: Revert "build: aggressively optimize wasm build, improve pipeline (#​6053)" (@​lukastaegert)

v4.47.0

Compare Source

2025-08-21

Features

• Aggressively reduce WASM build size (#​6053)

Bug Fixes

• Fix illegal instruction error on Android ARM platforms (#​6072)
• Allow to pass explicit undefined for optional fields in Rollup types (#​6061)

Pull Requests

• #​6053: build: aggressively optimize wasm build, improve pipeline (@​cyyynthia)
• #​6061: fix(types): add support for exactOptionalPropertyTypes (@​remcohaszing, @​lukastaegert)
• #​6072: build(rust): mimalloc-safe/no_opt_arch on aarch64 (@​cyyynthia)

v4.46.4

Compare Source

2025-08-20

Bug Fixes

• Do not omit synthetic namespaces when only accessed via in operator (#​6052)

Pull Requests

• #​6052: fix: don't optimize in with syntheticNamedExports (@​hi-ogawa)
• #​6074: Update transitive dependency to fix audit (@​lukastaegert)

v4.46.3

Compare Source

2025-08-18

Bug Fixes

• Resolve illegal instruction error on arm64 architectures (#​6055)
• Resolve sourcemap generation performance regression (#​6057)

Pull Requests

• #​6043: Avoid generated by comment diff on Windows (@​sapphi-red)
• #​6048: chore(deps): update dependency cross-env to v10 (@​renovate[bot], @​lukastaegert)
• #​6049: fix(deps): lock file maintenance minor/patch updates (@​renovate[bot])
• #​6055: Fix illegal instruction error on arm64 by enabling no_opt_arch feature for mimalloc-safe (@​sapphi-red)
• #​6057: fix: tweak the fallback logic for tracing segment (@​TrickyPi, @​lukastaegert)
• #​6062: docs: update Rust toolchain instructions (@​situ2001, @​lukastaegert)
• #​6063: fix(deps): lock file maintenance minor/patch updates (@​renovate[bot], @​lukastaegert)
• #​6067: chore(deps): update actions/checkout action to v5 (@​renovate[bot], @​lukastaegert)
• #​6068: chore(deps): update actions/download-artifact action to v5 (@​renovate[bot])
• #​6069: fix(deps): update rust crate swc_compiler_base to v31 (@​renovate[bot], @​lukastaegert)

v7.1.3

Compare Source

Features

• cli: add Node.js version warning for unsupported versions (#​20638) (a1be1bf)
• generate code frame for parse errors thrown by terser (#​20642) (a9ba017)
• support long lines in generateCodeFrame (#​20640) (1559577)

Bug Fixes

• deps: update all non-major dependencies (#​20634) (4851cab)
• optimizer: incorrect incompatible error (#​20439) (446fe83)
• support multiline new URL(..., import.meta.url) expressions (#​20644) (9ccf142)

Performance Improvements

• cli: dynamically import resolveConfig (#​20646) (f691f57)

Miscellaneous Chores

• deps: update rolldown-related dependencies (#​20633) (98b92e8)

Code Refactoring

• replace startsWith with strict equality (#​20603) (42816de)
• use import in worker threads (#​20641) (530687a)

Tests

• remove checkNodeVersion test (#​20647) (731d3e6)