DENO-2.8.3 release notes and known issues

Summary

2.8.3 / 2026.06.11 feat(cli): suggest DENO_TLS_CA_STORE on untrusted TLS certificate ( #34756 ) feat(cli): support --env-file in dependency and registry subcommands ( #34843 ) feat(compile): support watch mode ( #34860 ) feat(config): support globs in links ( #34849 ) feat(ext/crypto): implement SubtleCrypto.supports() static method ( #34903 ) feat(ext/crypto): support ML-DSA JWK import/export ( #34914 ) feat(ext/fetch): support priority in RequestInit ( #34716 ) feat(ext/node): auto-instrument node:http2 with OpenTelemetry ( #34510 ) feat(ext/node): notify control socket when node:http server starts serving ( #34949 ) feat(ext/telemetry): honor OTEL_SPAN_ATTRIBUTE_COUNT_LIMIT ( #34787 ) feat(ext/telemetry): honor OTEL_SPAN_EVENT_COUNT_LIMIT ( #34795 ) feat(ext/telemetry): support OTEL_TRACES_SAMPLER ( #34764 ) feat(fmt): add JSON trailing comma config ( #33383 ) feat(info): add localPath to npm packages in deno info --json ( #34806 ) feat(info): support --minimum-dependency-age flag ( #34762 ) feat(lsp): add "Debug" code lens for test steps ( #34742 ) feat(lsp): add Deno.test ignore and only code actions ( #34861 ) feat(lsp): diagnose import map files ( #34864 ) feat(lsp): provide hover info for import map resolutions ( #34854 ) feat(lsp): report deno doc --lint diagnostics ( #34733 ) feat(lsp): show no-slow-types diagnostics for JSR packages ( #34740 ) feat(outdated): warn about packages skipped due to registry errors ( #34974 ) feat(test): forward shebang permissions into deno test --doc ( #35052 ) feat(workspace): auto-discover external deno.json import maps ( #34803 ) feat(x): add deno x --ignore-scripts ( #34952 ) feat: bump-version -c to handle deno.json + package.json in same dir ( #34770 ) fix(add): accept npm version ranges on the command line ( #34799 ) fix(bundle): apply node-style CJS interop on all platforms ( #34939 ) fix(bundle): don't panic when esbuild binary is busy or unavailable ( #34845 ) fix(bundle): instantiate .wasm imports instead of emitting raw bytes ( #34923 ) fix(bundle): rename sourcemap for HTML entrypoints ( #34901 ) fix(bundle): respect --check and run the type checker ( #33514 ) fix(cache): retry locked cache database instead of deleting it ( #34873 ) fix(check): honor ts suppressions for unresolved imports ( #34163 ) fix(check): ignore doc comment dynamic imports ( #34888 ) fix(check): surface unresolved imports in .d.ts entrypoints ( #34168 ) fix(check): treat .d.ts in ESM-supporting npm packages as ESM ( #34613 ) fix(clean): keep cleaning when cache files are locked and report holders ( #34946 ) fix(clean): support deno clean --dry-run without --except ( #34846 ) fix(cli): accept allow-import for deno add ( #35019 ) fix(cli): check worker's own permissions for dynamic asset imports ( #34707 ) fix(cli): collect re-exported names for deno test --doc injection ( #33511 ) fix(cli): don't let --env-file set Deno's own runtime control vars ( #35032 ) fix(cli): don't suggest non-existent subcommand-flag combinations ( #34810 ) fix(cli): generate type-only doc-test imports under verbatimModuleSyntax ( #33508 ) fix(cli): include the typed name in unrecognized subcommand error ( #34882 ) fix(cli): strip trailing CR from args so CRLF shebangs work ( #34968 ) fix(compile): prune managed npm snapshot to graph-reachable packages ( #34741 ) fix(compile): resolve bare npm imports in --bundle worker sources ( #34967 ) fix(compile): run forked child's module instead of entrypoint ( #34687 ) fix(compile): support fs.fstatSync on vfs ( #34892 ) fix(console): %c colors with same red component as previous color ( #34784 ) fix(core): don't set ERR_MODULE_NOT_FOUND code on module linking errors ( #34800 ) fix(core): externalize lazy loaded sources ( #34936 ) fix(core): silence too_many_arguments on Callable trait method ( #33475 ) fix(core): use isolate_unchecked accessors for fast &v8::Isolate args ( #33474 ) fix(coverage): exclude linked/patched packages from coverage report ( #34834 ) fix(coverage): improve HT

Improvements and security content

• 2.8.3 / 2026.06.11 feat(cli): suggest DENO_TLS_CA_STORE on untrusted TLS certificate ( #34756 ) feat(cli): support --env-file in dependency and registry subcommands ( #34843 ) feat(compile): support watch mode ( #34860 ) feat(config): support globs in links ( #34849 ) feat(ext/crypto): implement SubtleCrypto.supports() static method ( #34903 ) feat(ext/crypto): support ML-DSA JWK import/export ( #34914 ) feat(ext/fetch): support priority in RequestInit ( #34716 ) feat(ext/node): auto-instrument node:http2 with OpenTelemetry ( #34510 ) feat(ext/node): notify control socket when node:http server starts serving ( #34949 ) feat(ext/telemetry): honor OTEL_SPAN_ATTRIBUTE_COUNT_LIMIT ( #34787 ) feat(ext/telemetry): honor OTEL_SPAN_EVENT_COUNT_LIMIT ( #34795 ) feat(ext/telemetry): support OTEL_TRACES_SAMPLER ( #34764 ) feat(fmt): add JSON trailing comma config ( #33383 ) feat(info): add localPath to npm packages in deno info --json ( #34806 ) feat(info): support --minimum-dependency-age flag ( #34762 ) feat(lsp): add "Debug" code lens for test steps ( #34742 ) feat(lsp): add Deno.test ignore and only code actions ( #34861 ) feat(lsp): diagnose import map files ( #34864 ) feat(lsp): provide hover info for import map resolutions ( #34854 ) feat(lsp): report deno doc --lint diagnostics ( #34733 ) feat(lsp): show no-slow-types diagnostics for JSR packages ( #34740 ) feat(outdated): warn about packages skipped due to registry errors ( #34974 ) feat(test): forward shebang permissions into deno test --doc ( #35052 ) feat(workspace): auto-discover external deno.json import maps ( #34803 ) feat(x): add deno x --ignore-scripts ( #34952 ) feat: bump-version -c to handle deno.json + package.json in same dir ( #34770 ) fix(add): accept npm version ranges on the command line ( #34799 ) fix(bundle): apply node-style CJS interop on all platforms ( #34939 ) fix(bundle): don't panic when esbuild binary is busy or unavailable ( #34845 ) fix(bundle): instantiate .wasm imports instead of emitting raw bytes ( #34923 ) fix(bundle): rename sourcemap for HTML entrypoints ( #34901 ) fix(bundle): respect --check and run the type checker ( #33514 ) fix(cache): retry locked cache database instead of deleting it ( #34873 ) fix(check): honor ts suppressions for unresolved imports ( #34163 ) fix(check): ignore doc comment dynamic imports ( #34888 ) fix(check): surface unresolved imports in .d.ts entrypoints ( #34168 ) fix(check): treat .d.ts in ESM-supporting npm packages as ESM ( #34613 ) fix(clean): keep cleaning when cache files are locked and report holders ( #34946 ) fix(clean): support deno clean --dry-run without --except ( #34846 ) fix(cli): accept allow-import for deno add ( #35019 ) fix(cli): check worker's own permissions for dynamic asset imports ( #34707 ) fix(cli): collect re-exported names for deno test --doc injection ( #33511 ) fix(cli): don't let --env-file set Deno's own runtime control vars ( #35032 ) fix(cli): don't suggest non-existent subcommand-flag combinations ( #34810 ) fix(cli): generate type-only doc-test imports under verbatimModuleSyntax ( #33508 ) fix(cli): include the typed name in unrecognized subcommand error ( #34882 ) fix(cli): strip trailing CR from args so CRLF shebangs work ( #34968 ) fix(compile): prune managed npm snapshot to graph-reachable packages ( #34741 ) fix(compile): resolve bare npm imports in --bundle worker sources ( #34967 ) fix(compile): run forked child's module instead of entrypoint ( #34687 ) fix(compile): support fs.fstatSync on vfs ( #34892 ) fix(console): %c colors with same red component as previous color ( #34784 ) fix(core): don't set ERR_MODULE_NOT_FOUND code on module linking errors ( #34800 ) fix(core): externalize lazy loaded sources ( #34936 ) fix(core): silence too_many_arguments on Callable trait method ( #33475 ) fix(core): use isolate_unchecked accessors for fast &v8::Isolate args ( #33474 ) fix(coverage): exclude linked/patched packages from coverage report ( #34834 ) fix(coverage): improve HT

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