This release contains improvements for annotation rendering, annotation editing, font conversion, image conversion, performance, SMask handling and text selection.

Changes since v6.1.200

• Bump the stable version in pdfjs.config by @timvandermeij in #21510
• Add a workflow to publish the per-test coverage index by @calixteman in #21507
• Add support for Sound annotations playing embedded audio by @calixteman in #21501
• Remove the BOM from html files (bug 2051221) by @calixteman in #21513
• Digital Signature and Certificate verification by @beurdouche in #21247
• Bump actions/setup-python from 6.2.0 to 6.3.0 by @dependabot[bot] in #21516
• Bump actions/checkout from 6.0.3 to 7.0.0 by @dependabot[bot] in #21518
• Bump actions/cache/save from 5.0.5 to 6.1.0 by @dependabot[bot] in #21515
• Bump actions/cache/restore from 5.0.5 to 6.1.0 by @dependabot[bot] in #21517
• Take into account the current transform when getting font size for FreeText by @calixteman in #20505
• Fix the version comment in the font tests GitHub Actions workflow by @timvandermeij in #21519
• Fix escapePDFName producing malformed name escapes for control characters by @spokodev in #21522
• A couple of SignaturePropertiesManager improvements (PR 21247 follow-up) by @Snuffleupagus in #21524
• Serialize GitHub Pages deployments to avoid concurrent deploy failures by @calixteman in #21528
• Deduplicate the signature-properties warn/error toolbar icon by @beurdouche in #21530
• l10n: Update locale files by @sync-l10n-for-pdf-js[bot] in #21532
• [GeckoView] Add web-digital_signature_properties_manager import map (PR 21247 follow-up) by @Snuffleupagus in #21529
• Reduce duplication when updating undoButton/undoCloseButton in PDFThumbnailViewer.prototype.#updateStatus by @Snuffleupagus in #21531
• Add basic support for non-embedded TrebuchetMS fonts (issue 21523) by @Snuffleupagus in #21527
• Avoid text selection workaround in modern Chromium by @nicolo-ribaudo in #21514
• Use the #getPageL10nArgs helper in the PDFThumbnailView.prototype.addPasteButton method by @Snuffleupagus in #21534
• Move the bannerStateForResults helper into the SignaturePropertiesManager class (PR 21247 follow-up) by @Snuffleupagus in #21533
• Update to Babel 8 by @nicolo-ribaudo in #21475
• Apply the appearance-stream scale factor when text is shown, not on setFont by @calixteman in #21525
• Do not drop the character after U+FFFE or U+FFFF in encodeToXmlString by @spokodev in #21526
• Enable the unicorn/logical-assignment-operators ESLint plugin rule by @Snuffleupagus in #21511
• Remove unneeded this.#signatureData = null; lines in src/core/document.js by @Snuffleupagus in #21536
• Use the MathClamp helper in the PDFImage.prototype.getComponents method by @Snuffleupagus in #21537
• Update dependencies to the most recent versions by @timvandermeij in #21539
• Add API unit-tests for getSignatures and getSignatureData (PR 21247 follow-up) by @Snuffleupagus in #21541
• Do not drop the character after U+FFFE or U+FFFF in Font.prototype.encodeString by @mahirhir in #21538
• Don't needlessly wrap the marked content id-attribute in a string by @Snuffleupagus in #21545
• Lookup "lenIV" inline in the Type1Parser.prototype.extractFontProgram method by @Snuffleupagus in #21544
• Use Intl.Segmenter for the entire-word search matching by @calixteman in #21521
• Implement a unit test for passing unsupported data types to MurmurHash3_64.update() by @timvandermeij in #21546
• Add a FakeSignatureVerifier for development mode and TESTING builds (PR 21247 follow-up) by @Snuffleupagus in #21543
• Implement unit tests for the getRotationMatrix core utility function by @timvandermeij in #21547
• Change Promise-returning worker message-handler functions to be asynchronous by @Snuffleupagus in #21550
• l10n: Update locale files by @sync-l10n-for-pdf-js[bot] in #21555
• Replace a couple of indexOf calls with startsWith by @Snuffleupagus in #21554
• Bug 2048531 - Improve selection contrast in dark mode by @nicolo-ribaudo in #21553
• Use for...of even more in the code-base by @Snuffleupagus in #21560
• Update dependencies to the most recent versions by @timvandermeij in #21561
• Use direct return await a bit more in the src/core/ folder by @Snuffleupagus in #21563
• Improve the GitHub Actions workflow triggers and requirements by @timvandermeij in #21562
• Commit the current editing session before saving (bug 2047516) by @calixteman in #21568
• Preserve non-local PDF link destinations by @calixteman in #21565
• Preserve Unicode destination and attachment names by @calixteman in #21566
• Handle indirect and dangling structure tree root kids by @calixteman in #21567
• Preserve OBJR children without restoring deleted pages by @calixteman in #21569
• Skip setFillColorN/setStrokeColorN operators without valid arguments (issue 21570) by @Snuffleupagus in #21574
• Bump github/codeql-action/init from 4.36.2 to 4.36.3 by @dependabot[bot] in #21571
• Bump github/codeql-action/autobuild from 4.36.2 to 4.36.3 by @dependabot[bot] in #21572
• Bump github/codeql-action/analyze from 4.36.2 to 4.36.3 by @dependabot[bot] in #21573
• Add a getOrPutComputed method in the RefSetCache class by @Snuffleupagus in #21576
• Fix decryption of AES-256 revision 5 PDFs with non-ASCII passwords by @calixteman in #21580
• Reduce duplication in CipherTransformFactory.prototype.createCipherTransform by @Snuffleupagus in #21581
• Support SASLprep for AES-256 revision 6 passwords by @calixteman in #21583
• Fix signature fields with widget children by @calixteman in #21575
• Fix AcroForm appearance resources when merging pages by @calixteman in #21577
• Use Map.prototype.getOrInsertComputed more in the web/ folder by @Snuffleupagus in #21586
• l10n: Update locale files by @sync-l10n-for-pdf-js[bot] in #21589
• Use getOrInsertComputed in the CanvasGraphics.prototype._getPattern method by @Snuffleupagus in #21590
• Use Iterator methods to avoid some unnecessary Array creation by @Snuffleupagus in #21592
• Start using Iterator.prototype.join in the code-base by @Snuffleupagus in #21585
• Re-factor the bCache, used with /Mesh Shadings by @Snuffleupagus in #21596
• Change the CompiledFont glyph/charCode caches to use Maps by @Snuffleupagus in #21595
• Implement SmaskInData == 2 for JPX images by @calixteman in #21587
• Rebuild missing AcroForm fields by @calixteman in #21591
• Handle revisioned structure attributes by @calixteman in #21588
• [api-minor] Convert getDestinations to return data in a Map by @Snuffleupagus in #21597
• Download the per-test coverage index by @calixteman in #21598
• Combine the getPathJs and hasBuiltPath methods in the CompiledFont class by @Snuffleupagus in #21599
• Address follow-up review comments in coverage_search.mjs by @calixteman in #21605
• Ignore Annotations with fieldValue = null when saving (issue 21582) by @Snuffleupagus in #21594
• Encode i32.const immediates as signed LEB128 in the PostScript Wasm compiler by @uwezkhan in #21601
• Fix parsing of ambiguous date formats like Hm by @calixteman in #21606
• Update the file format entries in .gitattributes by @timvandermeij in #21603
• Update dependencies to the most recent versions by @timvandermeij in #21602
• Copy the backdrop for non-isolated groups with a soft mask by @calixteman in #21604
• [api-minor] Convert getViewerPreferences to return data in a Map by @Snuffleupagus in #21607
• Bump actions/setup-node from 6.4.0 to 7.0.0 by @dependabot[bot] in #21612
• Bump github/codeql-action/analyze from 4.36.3 to 4.37.0 by @dependabot[bot] in #21611
• Bump github/codeql-action/init from 4.36.3 to 4.37.0 by @dependabot[bot] in #21613
• Bump github/codeql-action/autobuild from 4.36.3 to 4.37.0 by @dependabot[bot] in #21614
• Re-use the NS_DATASETS constant more in the src/core/xfa/bind.js file by @Snuffleupagus in #21615
• Preserve indirect AcroForm resources by @calixteman in #21616
• Improve the Ref.prototype.toString method a tiny bit by @Snuffleupagus in #21618
• [api-minor] Convert getOpenAction to return data in a Map by @Snuffleupagus in #21621
• Improve the detection of the changes made after a document has been signed by @calixteman in #21620
• Document the preserve and dependencyLists params for recordOperation by @LuShadowX in #21622
• l10n: Update locale files by @sync-l10n-for-pdf-js[bot] in #21623
• Bump linkify-it from 5.0.1 to 5.0.2 by @dependabot[bot] in #21625
• Remove the objectSize helper function by @Snuffleupagus in #21624
• Preserve inherited text field appearances by @calixteman in #21626
• Re-factor the XRef class to use private fields by @Snuffleupagus in #21631
• Use the toBeNull() matcher consistently in the unit/integration tests by @Snuffleupagus in #21632
• Use the toBeUndefined() matcher consistently in the unit tests by @Snuffleupagus in #21633
• Use the toThrowError() matcher consistently in the unit tests by @Snuffleupagus in #21636
• Use the toBeFalse() matcher consistently in the unit/integration tests by @Snuffleupagus in #21634
• Use the toBeTrue() matcher consistently in the unit/font/integration tests by @Snuffleupagus in #21635
• Preserve inherited signature flags by @calixteman in #21628
• Detect inherited signature fields in form info by @calixteman in #21630
• Bump fast-uri from 3.1.2 to 3.1.4 by @dependabot[bot] in #21627
• Add the Firefox features notification bar to the viewer (bug 2057608) by @calixteman in #21629
• Update dependencies to the most recent versions by @timvandermeij in #21639
• Convert the /Indexed palette in a single base color space call by @calixteman in #21637
• Convert shading colors in bulk, rather than one at a time by @calixteman in #21641
• Reduce a tiny bit of duplication in the normalizeBlendMode helper by @Snuffleupagus in #21642
• Bump actions/checkout from 7.0.0 to 7.0.1 by @dependabot[bot] in #21651
• Change defaultOptions, in the web/app_options.js file, to a Map by @Snuffleupagus in #21640
• Bump actions/setup-python from 6.3.0 to 7.0.0 by @dependabot[bot] in #21647
• Bump github/codeql-action/init from 4.37.0 to 4.37.2 by @dependabot[bot] in #21648
• Bump github/codeql-action/analyze from 4.37.0 to 4.37.2 by @dependabot[bot] in #21649
• Bump github/codeql-action/autobuild from 4.37.0 to 4.37.2 by @dependabot[bot] in #21650
• Shorten Catalog.prototype.jsActions getter and AnnotationElement.prototype._getElementsByName a tiny bit by @Snuffleupagus in #21653
• Update qcms wrapper by @calixteman in #21646
• Update the signatures-helpers to actually handle MissingDataExceptions by @Snuffleupagus in #21652
• Avoid cycles when walking some trees by @calixteman in #21654