• Add description for krilla-svg by @LaurenzV in https://github.com/LaurenzV/krilla/pull/194
• Fix two issues with calculated font metrics by @LaurenzV in https://github.com/LaurenzV/krilla/pull/195
• Fix issue with wrong bbox being set for some fonts by @LaurenzV in https://github.com/LaurenzV/krilla/pull/196
• Use the upstream bitmap_glyphs API by @LaurenzV in https://github.com/LaurenzV/krilla/pull/197
• Bump crossbeam-channel from 0.5.13 to 0.5.15 by @dependabot[bot] in https://github.com/LaurenzV/krilla/pull/198
• Add PageLayout to Metadata by @maltevonehren in https://github.com/LaurenzV/krilla/pull/200
• Add option to automatically chose whether to compress embedded files by @saecki in https://github.com/LaurenzV/krilla/pull/203
• Add test case to check that content and image streams are compressed by default by @LaurenzV in https://github.com/LaurenzV/krilla/pull/206
• Fix typo by @saecki in https://github.com/LaurenzV/krilla/pull/207
• Allow constructing TagTree and TagGroup with children by @saecki in https://github.com/LaurenzV/krilla/pull/210
• Bump skrifa by @LaurenzV in https://github.com/LaurenzV/krilla/pull/211
• Revert "Bump skrifa" by @LaurenzV in https://github.com/LaurenzV/krilla/pull/212
• Bump skrifa by @LaurenzV in https://github.com/LaurenzV/krilla/pull/213
• Pin Rust to 1.87 by @LaurenzV in https://github.com/LaurenzV/krilla/pull/215
• Support headings tags Hn with n > 7 by @saecki in https://github.com/LaurenzV/krilla/pull/214
• Write correct parent for structure element. by @saecki in https://github.com/LaurenzV/krilla/pull/217
• Fix page index shadowing number index in parent tree by @saecki in https://github.com/LaurenzV/krilla/pull/218
• Fix annotation struct parent pointing to itself by @saecki in https://github.com/LaurenzV/krilla/pull/220
• Don't fill single lines by @LaurenzV in https://github.com/LaurenzV/krilla/pull/221
• Bump mupdf in CI by @LaurenzV in https://github.com/LaurenzV/krilla/pull/222
• Fix the direction of sweep gradients in COLR by @LaurenzV in https://github.com/LaurenzV/krilla/pull/223
• Support more tag attributes by @saecki in https://github.com/LaurenzV/krilla/pull/216
• Always generate a page tree ref by @LaurenzV in https://github.com/LaurenzV/krilla/pull/224
• Make DuplicateTagId and UnknownTagId hard errors by @saecki in https://github.com/LaurenzV/krilla/pull/227
• Automatically generate slightly expanded bounding box for link annotations with quadpoints by @saecki in https://github.com/LaurenzV/krilla/pull/226
• Allow providing a location for missing alt text validation errors by @saecki in https://github.com/LaurenzV/krilla/pull/228
• Actually serialize table summary by @saecki in https://github.com/LaurenzV/krilla/pull/229
• Update CI to Rust 1.88, remove rustfmt.toml by @LaurenzV in https://github.com/LaurenzV/krilla/pull/232
• Add support for embedding PDF files by @LaurenzV in https://github.com/LaurenzV/krilla/pull/231
• Code generation for type-safe Tag API and additional layout attributes by @saecki in https://github.com/LaurenzV/krilla/pull/230
• Add TagKind::NonStruct by @saecki in https://github.com/LaurenzV/krilla/pull/233
• Add layout attributes by @reknih in https://github.com/LaurenzV/krilla/pull/234
• Make Location a NonZeroU64 by @saecki in https://github.com/LaurenzV/krilla/pull/235
• Display the tag tree in a human readable way by @saecki in https://github.com/LaurenzV/krilla/pull/236
• Fix some issue when displaying the tagtree by @saecki in https://github.com/LaurenzV/krilla/pull/237
• Bump comemo and subsetter, and switch from fxhash to rustc-hash by @laurmaedje in https://github.com/LaurenzV/krilla/pull/238
• More unified api for table header tag attribute by @saecki in https://github.com/LaurenzV/krilla/pull/239
• Remove changelog by @LaurenzV in https://github.com/LaurenzV/krilla/pull/240
• Add support for emoji fonts with viewbox by @LaurenzV in https://github.com/LaurenzV/krilla/pull/242
• Use the minimum scale when applying viewbox in SVG glyphs by @LaurenzV in https://github.com/LaurenzV/krilla/pull/243
• Cache ref if the same page of the same object is drawn multiple times by @LaurenzV in https://github.com/LaurenzV/krilla/pull/244
• Recompute the global bbox of font by @LaurenzV in https://github.com/LaurenzV/krilla/pull/241
• Add Strong and Em TagKinds by @saecki in https://github.com/LaurenzV/krilla/pull/245
• Bump hayro by @LaurenzV in https://github.com/LaurenzV/krilla/pull/249
• PDF 2.0 namespaces and improvements to tag serialization by @saecki in https://github.com/LaurenzV/krilla/pull/246
• Add a modification_date parameter to EmbeddedFile by @LaurenzV in https://github.com/LaurenzV/krilla/pull/251
• Enforce valid mime types by @LaurenzV in https://github.com/LaurenzV/krilla/pull/252
• Bump subsetter by @LaurenzV in https://github.com/LaurenzV/krilla/pull/253
• Remove dead code by @laurmaedje in https://github.com/LaurenzV/krilla/pull/254
• Add support for variable fonts by @LaurenzV in https://github.com/LaurenzV/krilla/pull/247
• Fix displaying BorderThickness tag attribute by @saecki in https://github.com/LaurenzV/krilla/pull/255
• Update PDF/UA-1 documentation by @reknih in https://github.com/LaurenzV/krilla/pull/256
• Encode single glyphs without X offset with Tj instead of TJ by @laurmaedje in https://github.com/LaurenzV/krilla/pull/257
• Ensure that generated code is up-to-date by @LaurenzV in https://github.com/LaurenzV/krilla/pull/259
• Write /ReversedChars marked content for RTL text by @laurmaedje in https://github.com/LaurenzV/krilla/pull/260
• Fix returned lifetime of Validator and PdfVersion as_str methods by @saecki in https://github.com/LaurenzV/krilla/pull/261
• Use u8 instead of f32 for NaiveRgbColor components by @saecki in https://github.com/LaurenzV/krilla/pull/262
• Re-enable failing PDF/UA-1 tests by @LaurenzV in https://github.com/LaurenzV/krilla/pull/263
• Fix new lints by @LaurenzV in https://github.com/LaurenzV/krilla/pull/264
• Fix the names of ISO PDF standards by @reknih in https://github.com/LaurenzV/krilla/pull/265
• Check whether font is legally embeddable in validated export by @laurmaedje in https://github.com/LaurenzV/krilla/pull/267
• Bump dependencies by @LaurenzV in https://github.com/LaurenzV/krilla/pull/268
• Tweak some docs by @LaurenzV in https://github.com/LaurenzV/krilla/pull/269
• Write authors as array in PDF 2.0 by @reknih in https://github.com/LaurenzV/krilla/pull/271
• Map Metadata::subject to dc:description by @reknih in https://github.com/LaurenzV/krilla/pull/270
• Missing alt text validations for PDF/A-1-3a by @reknih in https://github.com/LaurenzV/krilla/pull/272
• Always create CMap entries in PDF/A-1 by @reknih in https://github.com/LaurenzV/krilla/pull/274
• Write /Tabs S even when page contains only links by @reknih in https://github.com/LaurenzV/krilla/pull/275
• Raise Missing*AltText error when alt text is empty by @reknih in https://github.com/LaurenzV/krilla/pull/277
• Version bump by @LaurenzV in https://github.com/LaurenzV/krilla/pull/279

• @dependabot[bot] made their first contribution in https://github.com/LaurenzV/krilla/pull/198
• @maltevonehren made their first contribution in https://github.com/LaurenzV/krilla/pull/200
• @saecki made their first contribution in https://github.com/LaurenzV/krilla/pull/203
• @reknih made their first contribution in https://github.com/LaurenzV/krilla/pull/234

Full Changelog: https://github.com/LaurenzV/krilla/compare/0.4.0...v0.5.0

• Added support for creating tagged PDFs.
• Added support for PDF/A2-A, PDF/A3-A, PDF/A4.
• Added support for PDF/UA-1.
• Added support for creating documents with PDF versions 1.4 to 2.0.
• Improved support for images (including ICC profiles).
• Added support for optional multi-threaded export.
• Added CropBox BleedBox TrimBox ArtBox to page boundary settings.
• Added support for the Interpolation attribute in images.
• Added support for attaching arbitrary files to PDFs.
• Added support for quad points in link annotations.
• Added feature to set "locations" while drawing to a surface to associate errors with specific contexts.

• Color space handling has been overhauled.
• Removed variable font support, as its implementation was not optimal.
• Merge PdfVersion and PdfStandard into a Configuration struct.
• Fills and strokes are now optionall encoded as 1 instead of separately.
• SVG rendering has been extracted into an external krilla-svg crate.
• The public API has been overhauled a lot.
• Gradient stops don't take generics anymore.

• Fixed a potential overflow when writing CMAP.
• Fixed a spacing issue when writing text.
• Various bug fixes for embedding certain images and fonts in certain export modes.

• Improved support for stroking text.
• Added support for using CMYK ICC profiles.
• Added support for changing the text direction.
• Support the currentColor attribute of SVG fonts.
• Add initial support for validated export. Currently, only PDF/A2-U, PDF/A2-B, PDF/A3-U, PDF/A3-B are supported.

• Error handling has been revamped.

• Fixed bug with gradients on text not working properly for some spread methods.

• Support writing outlined glyphs.
• Support for vertical text writing.
• Support for adding document metadata.

• Streamlined how colors are created.
• SVG settings are now passed with draw_svg instead of in SerializeSettings.
• Removed some unused errors.

First release of krilla.