Removals

• api.Headers.lexicographical_sorting (#22809)

Additions

• api.Headers.iterate_combined_duplicates (#22809)
• api.Headers.iterate_lexicographically (#22809)
• webextensions.api.proxy.ProxyInfo.proxyAuthorizationHeader (#22668)

Statistics

• 5 contributors have changed 10 files with 98 additions and 39 deletions in 7 commits (v5.5.20...v5.5.21)
• 16,155 total features
• 1,079 total contributors