This version also includes the changes from unstable b1 and b2 versions listed below.
Read about this release [on our blog](https://www.courtbouillon.org/blog/00009-weasyprint-53-what-s-new).
Dependencies
* Pango 1.44.0+ is now needed.
* pydyf 0.0.3+ is now needed.
* fontTools 4.0.0+ is now needed.
* html5lib 1.0.1+ is now needed.
API changes
* `FontConfiguration` is now in the `weasyprint.text.fonts` module.
* `--format` and `--resolution` options have been deprecated, PDF is the only output format supported.
* `--optimize-images` option has been deprecated and replaced by `--optimize-size`, allowing `images`, `fonts`, `all` and `none` values.
* `weasyprint.tools` have been removed.
* `Document.resolve_links`, `Document.make_bookmark_tree` and `Document.add_hyperlinks` have been removed.
Performance
* Improve image management
New features
* 1374: Support basic "clipPath" in SVG
Bug fixes
* 1369: Render use path in SVG
* 1370: Fix fill color on use path in SVG
* 1371: Handle stroke-opacity and fill-opacity
* 1378: Fix crash with borders whose widths are in em
* 1394: Fix crash on draw_pattern
* 880: Handle stacking contexts put in contexts by previous generations
* 1386: Catch font subsetting errors
* 1403: Fix how x and y attributes are handled in SVG
* 1399, 1401: Don’t crash when use tags reference non-existing element
* 1393: Handle font collections
* 1408: Handle x and y attributes in use tags
Documentation
* 1391, 1405: Add documentation for installation
Contributors
* Guillaume Ayoub
* Lucie Anglade
* Pelle Bo Regener
* aschmitz
* John Jackson
* Felix Schwarz
* Syrus Dark
* Christoph Päper
Backers and sponsors
* OpenEdition
* Grip Angebotssoftware
* Simonsoft
* PDF Blocks
* Menutech
* Manuel Barkhau
* print-css.rocks
* Simon Sapin
* KontextWork
* René Fritz
* Maykin Media
* Nathalie Gutton
* Andreas Zettl
* Tom Pohl
* NCC Group
* Moritz Mahringer
* Florian Demmer
* Des images et des mots
* Mohammed Y. Alnajdi
* Yanal-Yvez Fargialla
* Yevhenii Hyzyla