Sourced from fonttools[woff]'s releases.

4.35.0

• [otData/otConverters] Added support for 'biased' PaintSweepGradient start/end angles to match latest COLRv1 spec (#2743).
• [varLib.instancer] Fixed bug in _instantiateFeatureVariations when at the same time pinning one axis and restricting the range of a subsequent axis; the wrong axis tag was being used in the latter step (as the records' axisIdx was updated in the preceding step but looked up using the old axes order in the following step) (#2733, #2734).
• [mtiLib] Pad script tags with space when less than 4 char long (#1727).
• [merge] Use '.' instead of '#' in duplicate glyph names (#2742).
• [gvar] Added support for lazily loading glyph variations (#2741).
• [varLib] In build_many, we forgot to pass on colr_layer_reuse parameter to the build method (#2730).
• [svgPathPen] Add a main that prints SVG for input text (6df779fd).
• [cffLib.width] Fixed off-by-one in optimized values; previous code didn't match the code block above it (2963fa50).
• [varLib.interpolatable] Support reading .designspace and .glyphs files (via optional glyphsLib).
• Compile some modules with Cython when available and building/installing fonttools from source: varLib.iup (35% faster), pens.momentsPen (makes varLib.interpolatable 3x faster).
• [feaLib] Allow features to be built for VF without also building a GDEF table (e.g. only build GSUB); warn when GDEF would be needed but isn't requested (#2705, #2694).
• [otBase] Fixed AttributeError when uharfbuzz < 0.23.0 and repack method is missing (32aa8eaf).
  Use new uharfbuzz.repack_with_tag when available (since uharfbuzz>=0.30.0), enables table-specific optimizations to be performed during repacking (#2724).
• [statisticsPen] By default report all glyphs (4139d891). Avoid division-by-zero (52b28f90).
• [feaLib] Added missing required argument to FeatureLibError exception (#2693)
• [varLib.merge] Fixed error during error reporting (#2689). Fixed undefined NotANone variable (#2714).

4.34.4

• Fixed typo in varLib/merger.py that causes NameError merging COLR glyphs containing more than 255 layers (#2685).

4.34.3

• [designspaceLib] Don't make up bad PS names when no STAT data (#2684)

4.34.2

• [varStore/subset] fixed KeyError exception to do with NO_VARIATION_INDEX while subsetting varidxes in GPOS/GDEF (a08140d).

4.34.1

• [instancer] When optimizing HVAR/VVAR VarStore, use_NO_VARIATION_INDEX=False to avoid including NO_VARIATION_INDEX in AdvWidthMap, RsbMap, LsbMap mappings, which would push the VarIdx width to maximum (4bytes), which is not desirable. This also fixes a hard crash when attempting to subset a varfont after it had been partially instanced with use_NO_VARIATION_INDEX=True.

4.34.0

• [instancer] Set RIBBI bits in head and OS/2 table when cutting instances and the subfamily nameID=2 contains strings like 'Italic' or 'Bold' (#2673).
• [otTraverse] Addded module containing methods for traversing trees of otData tables (#2660).
• [otTables] Made DeltaSetIndexMap TTX dump less verbose by omitting no-op entries (#2660).
• [colorLib.builder] Added option to disable PaintColrLayers's reuse of layers from LayerList (#2660).
• [varLib] Added support for merging multiple master COLRv1 tables into a variable COLR table (#2660, #2328). Base color glyphs of same name in different masters must have identical paint graph structure (incl. number of layers, palette indices, number of color line stops, corresponding paint formats at each level of the graph), but can differ in the variable fields (e.g. PaintSolid.Alpha). PaintVar* tables are produced when this happens and a VarStore/DeltaSetIndexMap is added to the variable COLR table. It is possible for non-default masters to be 'sparse', i.e. omit some of the color glyphs present in the default master.
• [feaLib] Let the Parser set nameIDs 1 through 6 that were previously reserved (#2675).
• [varLib.varStore] Support NO_VARIATION_INDEX in optimizer and instancer.
• [feaLib] Show all missing glyphs at once at end of parsing (#2665).
• [varLib.iup] Rewrite force-set conditions and limit DP loopback length (#2651). For Noto Sans, IUP time drops from 23s down to 9s, with only a slight size increase in the final font. This basically turns the algorithm from O(n^3) into O(n).
• [featureVars] Report about missing glyphs in substitution rules (#2654).
• [mutator/instancer] Added CLI flag to --no-recalc-timestamp (#2649).
• [SVG] Allow individual SVG documents in SVG OT table to be compressed on uncompressed, and remember that when roundtripping to/from ttx. The SVG.docList is now a list of SVGDocument namedtuple-like dataclass containing an extra compressed field, and no longer a bare 3-tuple (#2645).
• [designspaceLib] Check for descriptor types with hasattr() to allow custom classes that don't inherit the default descriptors (#2634).
• [subset] Enable sharing across subtables of extension lookups for harfbuzz packing (#2626). Updated how table packing falls back to fontTools from harfbuzz (#2668).
• [subset] Updated default feature tags following current Harfbuzz (#2637).
• [svgLib] Fixed regex for real number to support e.g. 1e-4 in addition to 1.0e-4. Support parsing negative rx, ry on arc commands (#2596, #2611).
• [subset] Fixed subsetting SinglePosFormat2 when ValueFormat=0 (#2603).

... (truncated)

Sourced from fonttools[woff]'s changelog.

4.35.0 (released 2022-08-15)

• [otData/otConverters] Added support for 'biased' PaintSweepGradient start/end angles to match latest COLRv1 spec (#2743).
• [varLib.instancer] Fixed bug in _instantiateFeatureVariations when at the same time pinning one axis and restricting the range of a subsequent axis; the wrong axis tag was being used in the latter step (as the records' axisIdx was updated in the preceding step but looked up using the old axes order in the following step) (#2733, #2734).
• [mtiLib] Pad script tags with space when less than 4 char long (#1727).
• [merge] Use '.' instead of '#' in duplicate glyph names (#2742).
• [gvar] Added support for lazily loading glyph variations (#2741).
• [varLib] In build_many, we forgot to pass on colr_layer_reuse parameter to the build method (#2730).
• [svgPathPen] Add a main that prints SVG for input text (6df779fd).
• [cffLib.width] Fixed off-by-one in optimized values; previous code didn't match the code block above it (2963fa50).
• [varLib.interpolatable] Support reading .designspace and .glyphs files (via optional glyphsLib).
• Compile some modules with Cython when available and building/installing fonttools from source: varLib.iup (35% faster), pens.momentsPen (makes varLib.interpolatable 3x faster).
• [feaLib] Allow features to be built for VF without also building a GDEF table (e.g. only build GSUB); warn when GDEF would be needed but isn't requested (#2705, 2694).
• [otBase] Fixed AttributeError when uharfbuzz < 0.23.0 and 'repack' method is missing (32aa8eaf). Use new uharfbuzz.repack_with_tag when available (since uharfbuzz>=0.30.0), enables table-specific optimizations to be performed during repacking (#2724).
• [statisticsPen] By default report all glyphs (4139d891). Avoid division-by-zero (52b28f90).
• [feaLib] Added missing required argument to FeatureLibError exception (#2693)
• [varLib.merge] Fixed error during error reporting (#2689). Fixed undefined NotANone variable (#2714).

4.34.4 (released 2022-07-07)

• Fixed typo in varLib/merger.py that causes NameError merging COLR glyphs containing more than 255 layers (#2685).

4.34.3 (released 2022-07-07)

• [designspaceLib] Don't make up bad PS names when no STAT data (#2684)

4.34.2 (released 2022-07-06)

• [varStore/subset] fixed KeyError exception to do with NO_VARIATION_INDEX while

... (truncated)

• 691a17d Release 4.35.0
• 0c2056e Update changelog [skip ci]
• a8c0998 Merge pull request #2743 from fonttools/variable-colr-with-sweep-angle-bias
• e3aaf59 Merge pull request #2734 from fonttools/instancer-bug
• 1dffbae support proposed PaintSweepGradient's angles with +1.0 (180°) bias
• 87e86cb Merge pull request #2731 from fonttools/pyup-scheduled-update-2022-08-08
• 0f33634 subset_test: fix mock test with uharfbuzz>=0.30 new 'repack_with_tag' method
• 615d62a requirements.txt: keep scipy pinned for python_version < 3.7
• 449049a [mtiLib] Pad scriptTags with space
• cdc5307 [merge] Use '.' instead of '#' in duplicate glyph names (#2742)
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