v2.1.0

afs.core

1. Fix bugs caused by rewriting
2. Fix ass parse: ScriptType now can startswith V
3. Feature: support harfbuzz-subset as subset backend
4. Upgrade to dotnet 9.0.100

afs.cmd

1. Add --subset-backend, default value is PyFontTools
2. Upgrade System.CommandLine

afs.ava:

1. Missing, will be updated in the next version