chore(deps): update dependency fonttools to v4.61.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
fonttools	==4.40.0 → ==4.61.1

---

Release Notes

fonttools/fonttools (fonttools)

v4.61.1

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• [otlLib] buildCoverage: return empty Coverage instead of None (#​4003, #​4004).
• [instancer] bug fix in avar2 full instancing (#​4002).
• [designspaceLib] Preserve empty conditionsets when serializing to XML (#​4001).
• [fontBu ilder] Fix FontBuilder setupOS2() default params globally polluted (#​3996, #​3997).
• [ttFont] Add more typing annotations to ttFont, xmlWriter, sfnt, varLib.models and others (#​3952, #​3826).
• Explicitly test and declare support for Python 3.14, even though we were already shipping pre-built wheels for it (#​3990).

v4.61.0

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• [varLib.main]: SECURITY Only use basename(vf.filename) to prevent path traversal attacks when running fonttools varLib command-line script, or code which invokes fonttools.varLib.main(). Fixes CVE-2025-66034, see: GHSA-768j-98cg-p3fv.
• [feaLib] Sort BaseLangSysRecords by tag (#​3986).
• Drop support for EOL Python 3.9 (#​3982).
• [instancer] Support --remove-overlaps for fonts with CFF2 table (#​3975).
• [CFF2ToCFF] Add --remove-overlaps option (#​3976).
• [feaLib] Raise an error for rsub with NULL target (#​3979).
• [bezierTools] Fix logic bug in curveCurveIntersections (#​3963).
• [feaLib] Error when condition sets have the same name (#​3958).
• [cu2qu.ufo] skip processing empty glyphs to support sparse kerning masters (#​3956).
• [unicodedata] Update to Unicode 17. Require unicodedata2 >= 17.0.0 when installed with 'unicode' extra.

v4.60.2

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• Backport release Same as 4.61.0 but without "Drop support for EOL Python 3.9" change to allow downstream projects still on Python 3.9 to avail of the security fix for CVE-2025-66034 (#​3994, #​3999).

v4.60.1

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• [ufoLib] Reverted accidental method name change in UFOReader.getKerningGroupConversionRenameMaps
  that broke compatibility with downstream projects like defcon (#​3948, #​3947, robotools/defcon#478).
• [ufoLib] Added test coverage for getKerningGroupConversionRenameMaps method (#​3950).
• [subset] Don't try to subset BASE table; pass it through by default instead (#​3949).
• [subset] Remove empty BaseRecord entries in MarkBasePos lookups (#​3897, #​3892).
• [subset] Add pruning for MarkLigPos and MarkMarkPos lookups (#​3946).
• [subset] Remove duplicate features when subsetting (#​3945).
• [Docs] Added documentation for the visitor module (#​3944).

v4.60.0

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• [pointPen] Allow reverseFlipped parameter of DecomposingPointPen to take a ReverseFlipped enum value to control whether/how to reverse contour direction of flipped components, in addition to the existing True/False. This allows to set ReverseFlipped.ON_CURVE_FIRST to ensure that the decomposed outline starts with an on-curve point before being reversed, for better consistency with other segment-oriented contour transformations. The change is backward compatible, and the default behavior hasn't changed (#​3934).

• [filterPen] Added ContourFilterPointPen, base pen for buffered contour operations, and OnCurveStartPointPen filter to ensure contours start with an on-curve point (#​3934).

• [cu2qu] Fixed difference in cython vs pure-python complex division by real number (#​3930).

• [varLib.avar] Refactored and added some new sub-modules and scripts (#​3926).

  • varLib.avar.build module to build avar (and a missing fvar) binaries into a possibly empty TTFont,
  • varLib.avar.unbuild module to print a .designspace snippet that would generate the same avar binary,
  • varLib.avar.map module to take TTFont and do the mapping, in user/normalized space,
  • varLib.avar.plan module moved from varLib.avarPlanner.

  The bare fonttools varLib.avar script is deprecated, in favour of fonttools varLib.avar.build (or unbuild).

• [interpolatable] Clarify linear_sum_assignment backend options and minimal dependency usage (#​3927).

• [post] Speed up build_psNameMapping (#​3923).

• [ufoLib] Added typing annotations to fontTools.ufoLib (#​3875).

v4.59.2

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• [varLib] Clear USE_MY_METRICS component flags when inconsistent across masters (#​3912).
• [varLib.instancer] Avoid negative advance width/height values when instatiating HVAR/VVAR, (unlikely in well-behaved fonts) (#​3918).
• [subset] Fix shaping behaviour when pruning empty mark sets (#​3915, harfbuzz/harfbuzz#5499).
• [cu2qu] Fixed dot() product of perpendicular vectors not always returning exactly 0.0 in all Python implementations (#​3911)
• [varLib.instancer] Implemented fully-instantiating avar2 fonts (#​3909).
• [feaLib] Allow float values in VariableScalar's axis locations (#​3906, #​3907).
• [cu2qu] Handle special case in calc_intersect for degenerate cubic curves where 3 to 4 control points are equal (#​3904).

v4.59.1

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• [featureVars] Update OS/2.usMaxContext if possible after addFeatureVariationsRaw (#​3894).
• [vhmtx] raise TTLibError('not enough data...') when hmtx/vmtx are truncated (#​3843, #​3901).
• [feaLib] Combine duplicate features that have the same set of lookups regardless of the order in which those lookups are added to the feature (#​3895).
• [varLib] Deprecate varLib.mutator in favor of varLib.instancer. The latter provides equivalent full (static font) instancing in addition to partial VF instancing.
  CLI users should replace fonttools varLib.mutator with fonttools varLib.instancer. API users should migrate to fontTools.varLib.instancer.instantiateVariableFont (#​2680).

v4.59.0

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• Removed hard-dependency on pyfilesystem2 (fs package) from fonttools[ufo] extra. This is replaced by the fontTools.misc.filesystem package, a stdlib-only, drop-in replacement for the subset of the pyfilesystem2's API used by fontTools.ufoLib. The latter should continue to work with the upstream fs (we even test with/without). However, clients who wish to continue using fs can do so by depending on it directly instead of via the fonttools[ufo] extra (#​3885, #​3620).
• [xmlWriter] Replace illegal XML characters (e.g. control or non-characters) with "?" when dumping to ttx (#​3868, #​71).
• [varLib.hvar] Fixed vertical metrics fields copy/pasta error (#​3884).
• Micro optimizations in ttLib and sstruct modules (#​3878, #​3879).
• [unicodedata] Add Garay script to RTL_SCRIPTS (#​3882).
• [roundingPen] Remove unreliable kwarg usage. Argument names aren’t consistent among point pens’ .addComponent() implementations, in particular baseGlyphName vs glyphName (#​3880).

v4.58.5

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• [feaLib] Don't try to combine ligature & multisub rules (#​3874).
• [feaLib/ast] Use weakref proxies to avoid cycles in visitor (#​3873).
• [varLib.instancer] Fixed instancing CFF2 fonts where VarData contains more than 64k items (#​3858).

v4.58.4

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• [feaLib] Fixed iterable check for Python 3.13.4 and newer (#​3854, #​3855).

v4.58.3

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• [feaLib] Fixed iterable check for Python 3.13.4 and newer (#​3854, #​3855).

v4.58.2

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• [ttLib.reorderGlyphs] Handle CFF2 when reordering glyphs (#​3852)
• [subset] Copy name IDs in use before scrapping or scrambling them for webfonts (#​3853)

v4.58.1

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• [varLib] Make sure that fvar named instances only reuse name ID 2 or 17 if they are at the default location across all axes, to match OT spec requirement (#​3831).
• [feaLib] Improve single substitution promotion to multiple/ligature substitutions, fixing a few bugs as well (#​3849).
• [loggingTools] Make Timer._time a static method that doesn't take self, makes it easier to override (#​3836).
• [featureVars] Use None for empty ConditionSet, which translates to a null offset in the compiled table (#​3850).
• [feaLib] Raise an error on conflicting ligature substitution rules instead of silently taking the last one (#​3835).
• Add typing annotations to T2CharStringPen (#​3837).
• [feaLib] Add single substitutions that were promoted to multiple or ligature substitutions to aalt feature (#​3847).
• [featureVars] Create a default LangSys in a ScriptRecord if missing when adding feature variations to existing GSUB later in the build (#​3838).
• [symfont] Added a main().
• [cffLib.specializer] Fix rmoveto merging when blends used (#​3839, #​3840).
• [pyftmerge] Add support for cmap format 14 in the merge tool (#​3830).
• [varLib.instancer/cff2] Fix vsindex of Private dicts when instantiating (#​3828, #​3232).
• Update text file read to use UTF-8 with optional BOM so it works with e.g. Windows Notepad.exe (#​3824).
• [varLib] Ensure that instances only reuse name ID 2 or 17 if they are at the default location across all axes (#​3831).
• [varLib] Create a dflt LangSys in a ScriptRecord when adding variations later, to fix an avoidable crash in an edge case (#​3838).

v4.58.0

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• Drop Python 3.8, require 3.9+ (#​3819)
• [HVAR, VVAR] Prune unused regions when using a direct mapping (#​3797)
• [Docs] Improvements to ufoLib documentation (#​3721)
• [Docs] Improvements to varLib documentation (#​3727)
• [Docs] Improvements to Pens and pen-module documentation (#​3724)
• [Docs] Miscellany updates to docs (misc modules and smaller modules) (#​3730)
• [subset] Close codepoints over BiDi mirror variants. (#​3801)
• [feaLib] Fix serializing ChainContextPosStatement and ChainContextSubstStatement in some rare cases (#​3788)
• [designspaceLib] Clarify user expectations for getStatNames (#​2892)
• [GVAR] Add support for new GVAR table (#​3728)
• [TSI0, TSI5] Derive number of entries to decompile from data length (#​2477)
• [ttLib] Fix AttributeError when reporting table overflow (#​3808)
• [ttLib] Apply rounding more often in getCoordinates (#​3798)
• [ttLib] Ignore component bounds if empty (#​3799)
• [ttLib] Change the separator for duplicate glyph names from "#" to "." (#​3809)
• [feaLib] Support subtable breaks in CursivePos, MarkBasePos, MarkToLigPos and MarkToMarkPos lookups (#​3800, #​3807)
• [feaLib] If the same lookup has single substitutions and ligature substitutions, upgrade single substitutions to ligature substitutions with one input glyph (#​3805)
• [feaLib] Correctly handle <NULL> in single pos lookups (#​3803)
• [feaLib] Remove duplicates from class pair pos classes instead of raising an error (#​3804)
• [feaLib] Support creating extension lookups using useExtenion lookup flag
  instead of silently ignoring it (#​3811)
• [STAT] Add typing for the simpler STAT arguments (#​3812)
• [otlLib.builder] Add future import for annotations (#​3814)
• [cffLib] Fix reading supplement encoding (#​3813)
• [voltLib] Add some missing functionality and fixes to voltLib and VoltToFea, making the conversion to feature files more robust. Add also fonttools voltLib command line tool to compile VOLT sources directly (doing an intermediate fea conversion internally) (#​3818)
• [pens] Add some PointPen annotations (#​3820)

v4.57.0

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• [ttLib.__main__] Add --no-recalc-timestamp flag (#​3771)
• [ttLib.__main__] Add -b (recalcBBoxes=False) flag (#​3772)
• [cmap] Speed up glyphOrder loading from cmap (#​3774)
• [ttLib.__main__] Improvements around the -t flag (#​3776)
• [Debg] Fix parsing from XML; add roundtrip tests (#​3781)
• [fealib] Support *Base.MinMax tables (#​3783, #​3786)
• [config] Add OPTIMIZE_FONT_SPEED (#​3784)
• [varLib.hvar] New module to add HVAR table to the font (#​3780)
• [otlLib.optimize] Fix crash when the provided TTF does not contain a GPOS (#​3794)

v4.56.0

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• [varStore] Sort the input todo list with the same sorting key used for the opimizer's output (#​3767).
• [otData] Fix DeviceTable's DeltaValue repeat value which caused a crash after importing from XML and then compiling a GPOS containing Device tables (#​3758).
• [feaLib] Make FeatureLibError pickleable, so client can e.g. use feaLib to can compile features in parallel with multiprocessing (#​3762).
• [varLib/gvar] Removed workaround for old, long-fixed macOS bug about composite glyphs with all zero deltas (#​1381, #​1788).
• [Docs] Updated ttLib documentation, beefed up TTFont and TTGlyphSet explanations (#​3720).

v4.55.8

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• [MetaTools] Fixed bug in buildUCD.py script whereby the first non-header line of some UCD text file was being skipped. This affected in particular the U+00B7 (MIDDLE DOT) entry of ScriptExtensions.txt (#​3756).

v4.55.7

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• Shorten the changelog included in PyPI package description to accommodate maximum length limit imposed by Azure DevOps. No actual code changes since v4.55.6 (#​3754).

v4.55.6

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• [glyf] Fixed regression introduced in 4.55.5 when computing bounds of nested composite glyphs with transformed components (#​3752).

v4.55.5

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• [glyf] Fixed recalcBounds of transformed components with unrounded coordinates (#​3750).
• [feaLib] Allow duplicate script/language statements (#​3749).

v4.55.4

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• [bezierTools] Fixed splitCubicAtT sometimes not returning identical start/end points as result of numerical precision (#​3742, #​3743).
• [feaLib/ast] Fixed docstring of AlternateSubstStatement (#​3735).
• [transform] Typing fixes (#​3734).

v4.55.3

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• [Docs] fill out ttLib table section [#​3716]
• [feaLib] More efficient inline format 4 lookups [#​3726]

v4.55.2

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• [Docs] update Sphinx config (#​3712)
• [designspaceLib] Allow axisOrdering to be set to zero (#​3715)
• [feaLib] Don’t modify variable anchors in place (#​3717)

v4.55.1

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• [ttGlyphSet] Support VARC CFF2 fonts (#​3683)
• [DecomposedTransform] Document and implement always skewY == 0 (#​3697)
• [varLib] "Fix" cython iup issue? (#​3704)
• Cython minor refactor (#​3705)

v4.55.0

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• [cffLib.specializer] Adjust stack use calculation (#​3689)
• [varLib] Lets not add mac names if the rest of name doesn't have them (#​3688)
• [ttLib.reorderGlyphs] Update CFF table charstrings and charset (#​3682)
• [cffLib.specializer] Add cmdline to specialize a CFF2 font (#​3675, #​3679)
• [CFF2] Lift uint16 VariationStore.length limitation (#​3674)
• [subset] consider variation selectors subsetting cmap14 (#​3672)
• [varLib.interpolatable] Support CFF2 fonts (#​3670)
• Set isfinal to true in XML parser for proper resource cleanup (#​3669)
• [removeOverlaps] Fix CFF CharString width (#​3659)
• [glyf] Add optimizeSize option (#​3657)
• Python 3.13 support (#​3656)
• [TupleVariation] Optimize for loading speed, not size (#​3650, #​3653)

v4.54.1

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• [unicodedata] Update to Unicode 16
• [subset] Escape \ in doc string

v4.54.0

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• [Docs] Small docs cleanups by @​n8willis (#​3611)
• [Docs] cleanup code blocks by @​n8willis (#​3627)
• [Docs] fix Sphinx builds by @​n8willis (#​3625)
• [merge] Minor fixes to documentation for merge by @​drj11 (#​3588)
• [subset] Small tweaks to pyftsubset documentation by @​RoelN (#​3633)
• [Tests] Do not require fonttools command to be available by @​behdad (#​3612)
• [Tests] subset_test: add failing test to reproduce issue #​3616 by @​anthrotype (#​3622)
• [ttLib] NameRecordVisitor: include whole sequence of character variants' UI labels, not just the first by @​anthrotype (#​3617)
• [varLib.avar] Reconstruct mappings from binary by @​behdad (#​3598)
• [varLib.instancer] Fix visual artefacts with partial L2 instancing by @​Hoolean (#​3635)
• [varLib.interpolatable] Support discrete axes in .designspace by @​behdad (#​3599)
• [varLib.models] By default, assume OpenType-like normalized space by @​behdad (#​3601)

v4.53.1

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4.53.1

• [feaLib] Improve the sharing of inline chained lookups (#​3559)
• [otlLib] Correct the calculation of OS/2.usMaxContext with reversed chaining contextual single substitutions (#​3569)
• [misc.visitor] Visitors search the inheritance chain of objects they are visiting (#​3581)

v4.53.0

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• [ttLib.removeOverlaps] Support CFF table to aid in downconverting CFF2 fonts (#​3528)
• [avar] Fix crash when accessing not-yet-existing attribute (#​3550)
• [docs] Add buildMathTable to otlLib.builder documentation (#​3540)
• [feaLib] Allow UTF-8 with BOM when reading features (#​3495)
• [SVGPathPen] Revert rounding coordinates to two decimal places by default (#​3543)
• [varLib.instancer] Refix output filename decision-making (#​3545, #​3544, #​3548)

v4.52.4

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• [varLib.cff] Restore and deprecate convertCFFtoCFF2 that was removed in 4.52.0 release as it is used by downstream projects (#​3535).

v4.52.3

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Fixed a small syntax error in the reStructuredText-formatted NEWS.rst file which caused the upload to PyPI to fail for 4.52.2. No other code changes.

v4.52.1

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Fixed a small syntax error in the reStructuredText-formatted NEWS.rst file which caused the upload to PyPI to fail for 4.52.0.
No other code changes.

v4.51.0

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• [ttLib] Optimization on loading aux fields (#​3464).
• [ttFont] Add reorderGlyphs (#​3468).

v4.50.0

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• [pens] Added decomposing filter pens that draw components as regular contours (#​3460).
• [instancer] Drop explicit no-op axes from TupleVariations (#​3457).
• [cu2qu/ufo] Return set of modified glyph names from fonts_to_quadratic (#​3456).

v4.49.0

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• [otlLib] Add API for building MATH table (#​3446)

v4.48.1

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• Fixed uploading wheels to PyPI, no code changes since v4.48.0.

v4.47.2

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Minor release to fix uploading wheels to PyPI.

v4.47.0

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• [varLib.models] New API for VariationModel: getMasterScalars and interpolateFromValuesAndScalars.
• [varLib.interpolatable] Various bugfixes and rendering improvements. In particular, add a Summary page in the front, and an Index and Table-of-Contents in the back. Change the page size to Letter.
• [Docs/designspaceLib] Defined a new public.fontInfo lib key, not used anywhere yet (#​3358).

v4.46.0

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• [featureVars] Allow to register the same set of substitution rules to multiple features. The addFeatureVariations function can now take a list of featureTags; similarly, the lib key 'com.github.fonttools.varLib.featureVarsFeatureTag' can now take a comma-separateed string of feature tags (e.g. "salt,ss01") instead of a single tag (#​3360).
• [featureVars] Don't overwrite GSUB FeatureVariations, but append new records to it for features which are not already there. But raise VarLibError if the feature tag already has feature variations associated with it (#​3363).
• [varLib] Added addGSUBFeatureVariations function to add GSUB Feature Variations to an existing variable font from rules defined in a DesignSpace document (#​3362).
• [varLib.interpolatable] Various bugfixes and rendering improvements. In particular, a new test for "underweight" glyphs. The new test reports quite a few false-positives though. Please send feedback.

v4.45.1

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• [varLib.interpolatable] Various bugfixes and improvements, better reporting, reduced false positives.
• [ttGlyphSet] Added option to not recalculate glyf bounds (#​3348).

v4.45.0

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• [varLib.interpolator] Vastly improved algorithms. Also available now is --pdf and --html options to generate a PDF or HTML report of the interpolation issues.
  The PDF/HTML report showcases the problematic masters, the interpolated broken glyph, as well as the proposed fixed version.

v4.44.3

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• [subset] Only prune codepage ranges for OS/2.version >= 1, ignore otherwise (#​3334).
• [instancer] Ensure hhea vertical metrics stay in sync with OS/2 ones after instancing MVAR table containing 'hasc', 'hdsc' or 'hlgp' tags (#​3297).

v4.44.1

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• [feaLib] Ensure variable mark anchors are deep-copied while building since they get modified in-place and later reused (#​3330).
• [OS/2|subset] Added method to recalcCodePageRanges to OS/2 table class; added --prune-codepage-ranges to fonttools subset command (#​3328, #​2607).

NOTE: this release was "yanked" from PyPI because it introduced a regression: #​3334

v4.44.0

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• [instancer] Recalc OS/2 AvgCharWidth after instancing if default changes (#​3317).
• [otlLib] Make ClassDefBuilder class order match varLib.merger's, i.e. large classes first, then glyph lexicographic order (#​3321, #​3324).
• [instancer] Allow not specifying any of min:default:max values and let be filled up with fvar's values (#​3322, #​3323).
• [instancer] When running --update-name-table ignore axes that have no STAT axis values (#​3318, #​3319).
• [Debg] When dumping to ttx, write the embedded JSON as multi-line string with indentation (92cbfee).
• [varStore] Handle > 65535 items per encoding by splitting VarData subtable (#​3310).
• [subset] Handle null-offsets in MarkLigPos subtables.
• [subset] Keep East Asian spacing fatures vhal, halt, chws, vchw by default (#​3305).
• [instancer.solver] Fixed case where axisDef < lower and upper < axisMax (#​3304).
• [glyf] Speed up compilation, mostly around recalcBounds (#​3301).
• [varLib.interpolatable] Speed it up when working on variable fonts, plus various micro-optimizations (#​3300).
• Require unicodedata2 >= 15.1.0 when installed with 'unicode' extra, contains UCD 15.1.

v4.43.1

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• [EBDT] Fixed TypeError exception in _reverseBytes method triggered when dumping some bitmap fonts with ttx -z bitwise option (#​3162).
• [v/hhea] Fixed UnboundLocalError exception in recalc method when no vmtx or hmtx tables are present (#​3290).
• [bezierTools] Fixed incorrectly typed cython local variable leading to TypeError when calling calcQuadraticArcLength (#​3288).
• [feaLib/otlLib] Better error message when building Coverage table with missing glyph (#​3286).

v4.43.0

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• [subset] Set up lxml XMLParser(resolve_entities=False) when parsing OT-SVG documents to prevent XML External Entity (XXE) attacks (9f61271): https://codeql.github.com/codeql-query-help/python/py-xxe/
• [varLib.iup] Added workaround for a Cython bug in iup_delta_optimize that was leading to IUP tolerance being incorrectly initialised, resulting in sub-optimal deltas (6012643, cython/cython#5732).
• [varLib] Added new command-line entry point fonttools varLib.avar to add an avar table to an existing VF from axes mappings in a .designspace file (0a3360e).
• [instancer] Fixed bug whereby no longer used variation regions were not correctly pruned after VarData optimization (#​3268).
• Added support for Python 3.12 (#​3283).

v4.42.1

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• [t1Lib] Fixed several Type 1 issues (#​3238, #​3240).
• [otBase/packer] Allow sharing tables reached by different offset sizes (#​3241, #​3236, 457f11c).
• [varLib/merger] Fix Cursive attachment merging error when all anchors are NULL (#​3248, #​3247).
• [ttLib] Fixed warning when calling addMultilingualName and ttFont parameter was not passed on to findMultilingualName (#​3253).

v4.42.0

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• [varLib] Use sentinel value 0xFFFF to mark a glyph advance in hmtx/vmtx as non participating, allowing sparse masters to contain glyphs for variation purposes other than {H,V}VAR (#​3235).
• [varLib/cff] Treat empty glyphs in non-default masters as missing, thus not participating in CFF2 delta computation, similarly to how varLib already treats them for gvar (#​3234).
• Added varLib.avarPlanner script to deduce 'correct' avar v1 axis mappings based on glyph average weights (#​3223).

v4.41.1

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• [subset] Fixed perf regression in v4.41.0 by making NameRecordVisitor only visit tables that do contain nameID references (#​3213, #​3214).
• [varLib.instancer] Support instancing fonts containing null ConditionSet offsets in FeatureVariationRecords (#​3211, #​3212).
• [statisticsPen] Report font glyph-average weight/width and font-wide slant.
• [fontBuilder] Fixed head.created date incorrectly set to 0 instead of the current timestamp, regression introduced in v4.40.0 (#​3210).
• [varLib.merger] Support sparse CursivePos masters (#​3209).

v4.41.0

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• [fontBuilder] Fixed bug in setupOS2 with default panose attribute incorrectly being set to a dict instead of a Panose object (#​3201).
• [name] Added method to removeUnusedNameRecords in the user range (#​3185).
• [varLib.instancer] Fixed issue with L4 instancing (moving default) (#​3179).
• [cffLib] Use latin1 so we can roundtrip non-ASCII in {Full,Font,Family}Name (#​3202).
• [designspaceLib] Mark as optional in docs (as it is in the code).
• [glyf-1] Fixed drawPoints() bug whereby last cubic segment becomes quadratic (#​3189, #​3190).
• [fontBuilder] Propagate the 'hidden' flag to the fvar Axis instance (#​3184).
• [fontBuilder] Update setupAvar() to also support avar 2, fixing _add_avar() call site (#​3183).
• Added new voltLib.voltToFea submodule (originally Tiro Typeworks' "Volto") for converting VOLT OpenType Layout sources to FEA format (#​3164).

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