release: 4.21.2 - #743
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`bun audit` (the release gate) reported 8 high advisories across four transitive packages. Pinned via overrides, matching how undici was handled in 4.19.4 — a plain `bun install` won't move them because the lockfile pins hold. - linkify-it 5.0.1 -> 5.0.2 (markmap-lib > markdown-it) — the only one on a runtime path. It IS bundled into main.js, but markmap-lib constructs `MarkdownIt()` with no options, so `linkify` defaults to false and the quadratic mailto: scan-loop is unreachable. Pinned anyway so the community directory scan comes back clean. - postcss 8.5.15 -> 8.5.23 (dev: eslint-plugin-svelte, vite, vitest) - brace-expansion 5.0.6 -> 5.0.8 (dev: eslint, typescript-eslint) - fast-uri 3.1.2 -> 4.1.1 (dev: eslint > ajv) Note linkify-it is pinned to ^5.0.2, not ^6: v6 drops the default export markdown-it@5 imports, which breaks the esbuild bundle. bun audit now reports no vulnerabilities.
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Ships the three reported bugs (#731, #734, #736) plus the root-cause and CI work they surfaced.
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Security
bun auditreported 8 high advisories across four transitive packages; all now pinned, audit reports no vulnerabilities.Only
linkify-itwas on a runtime path (bundled via markmap). markmap constructsMarkdownIt()with no options, solinkifydefaults to false and the quadraticmailto:scan was unreachable — pinned anyway so the community directory scan is clean. Pinned to^5.0.2, not^6: v6 drops the default exportmarkdown-it@5imports, which breaks the bundle (verified by trying it).Build
TypeScript pinned to 6.x — the bump to 7 removed
baseUrland brokesvelte-check, failing every CI run since it landed.tsconfig.jsonuses the forward-compatiblepathsform so the pin lifts cleanly later.Verification
bun install --frozen-lockfile,bun run build,bun run test(379 passed),bun audit— all green.Issues #731/#734/#736 stay open until this is released, then get closed manually.