The 28-font OTC version of Source Sans Pro became available in version 1.001. Source Han Sans version 2.000 is a major update of the font family, the major changes include: • Several glyphs proposed for CJK Unified Ideographs Extension G were included and accessible via the 'ccmp' GSUB feature. • The Hong Kong flavor of Traditional Chinese was introduced. • The glyphs for bopomofo were redesigned. • The glyphs for half-width jamo were replaced. • Macintosh 'name' table strings were omitted. • Regular weight is style-linked to the Bold weight. • The deprecated 'hngl' GSUB feature was removed. • The 'vert' GPOS (not GSUB) feature was added to support combining jamo in vertical writing. • Some glyphs for newer versions of Unicode were added. Version 2.001 added a new character stands for Japanese era name Reiwa, and several glyphs for Hong Kong locale. Version 2.002 fixed some bugs, and also moved 4 of the CJK Unified Ideographs Extension G characters to their designated codepoint, with the corresponding 'ccmp' GSUB feature removed. Version 2.003 introduced
variable font format into Source Han Sans as
.otc suffix with CFF2 format table, which caused display issues with Windows 10. A version of variable font with glyf format table and
.ttc suffix is released in version 2.004 for Windows along with other minor fixes. Version 2.005, released on June 18, 2025, updated the Latin glyphs to match those in Source Sans 3. The release also included a large number of glyph additions, removals, and adjustments for all supported languages, addressing over 80 distinct issues reported by the community. Notable additions include new characters from Unicode 15.1, such as Ideographic Description Characters and glyphs for CJK Unified Ideographs Extension H. This version also fixed several bugs related to the variable font format and improved the alignment and consistency of many radicals and components across the entire family. Noto Sans CJK fonts are released as individual fonts separated by version and weight, or as OTC fonts containing all versions separated by weight, or OTC fonts containing all weights separated by version, or a single OTC font containing all versions and weights. == Disputes ==