• [avar2] Added experimental support for reading/writing avar version 2 as specified in this draft proposal:
  https://github.com/harfbuzz/boring-expansion-spec/blob/main/avar2.md
• [glifLib] Wrap underlying XML library exceptions with GlifLibError when parsing GLIFs, and also print the name and path of the glyph that fails to be parsed (#3029).
• [feaLib] Consult avar for normalizing user-space values in ConditionSets and in VariableScalars (#3042, #3043).
• [ttProgram] Handle string input to Program.fromAssembly() (#3038).
• [otlLib] Added a config option to emit GPOS 7 lookups, currently disabled by default because of a macOS bug (#3034).
• [COLRv1] Added method to automatically compute ClipBoxes (#3027).
• [ttFont] Fixed getGlyphID to raise KeyError on missing glyphs instead of returning None. The regression was introduced in v4.27.0 (#3032).
• [sbix] Fixed UnboundLocalError: cannot access local variable 'rawdata' (#3031).
• [varLib] When building VF, do not overwrite a pre-existing STAT table that was built with feaLib from FEA feature file. Also, added support for building multiple VFs defined in Designspace v5 from fonttools varLib script (#3024).
• [mtiLib] Only add Debg table with lookup names when FONTTOOLS_LOOKUP_DEBUGGING env variable is set (#3023).