v0.9.0

Compose v0.9.0

Diff since v0.8.1

Closed issues:

• Missing values (#384)
• Texts on black background are dirty (#396)
• New release (#398)

Merged pull requests:

• get docs to auto build again (#387) (@bjarthur)
• CompatHelper: bump compat for "Colors" to "0.12" (#388) (@github-actions[bot])
• bump patch version (#389) (@bjarthur)
• make TagBot look for tags as old as the cron period (#390) (@bjarthur)
• fix pango bug with unicode text (#391) (@bjarthur)
• fix line spacing for sub/superscripts (#392) (@bjarthur)
• Fix incorrect length of UTF-8 string for pango layout (#393) (@tomyun)
• Fix handling of non-UTF-8 string length for pango layout (#394) (@tomyun)
• Missing and NaN support (#397) (@Mattriks)
• bump Fontconfig and EzXML (#399) (@Mattriks)
• Compose v0.9 (#400) (@Mattriks)