Thanks

Many thanks to our regular contributors:

• Tino Reichardt (@mcmilk)
• Pietro Cerutti (@gahr)
• Bo YU (@yuzibo)
• Austin Ray (@Austin-Ray)
• Andreas Rammhold (@andir)
• Marius Gedminas (@mgedmin)
• Jakub Jindra (@jindraj)
• Steve Bennett (@msteveb)
• Martin Mitáš (@mity)

Features

• Fluid layout for Compose Screen, see: https://vimeo.com/407231157
• Trivial Database (TDB) header cache backend
• RocksDB header cache backend
• Add <sidebar-first> and <sidebar-last> functions

Bug Fixes

• add error for CLI empty emails
• Allow spaces and square brackets in paths
• browser: fix hidden mailboxes
• fix initial email display
• notmuch: fix time window search.
• fix resize bugs
• notmuch: fix entire-thread: update current email pointer
• sidebar: support indenting and shortening of names
• Handle variables inside backticks in sidebar_whitelist
• browser: fix mask regex error reporting

Translations

• 100% Lithuanian
• 99% Chinese (simplified)

Build

• Use regexes for common parsing tasks: urls, dates
• Add configure option --pcre2 – Enable PCRE2 regular expressions
• Add configure option --tdb – Use TDB for the header cache
• Add configure option --rocksdb – Use RocksDB for the header cache
• Create libstore (key/value backends)
• Update to latest autosetup
• Update to latest acutest.h
• Rename doc/ directory to docs/
• make: fix location of .Po dependency files
• Change libcompress to be more universal
• Fix test fails on х32
• fix uidvalidity to unsigned 32-bit int

Code

• Increase test coverage
• Fix memory leaks
• Fix null checks

Upstream

• Buffer refactoring
• Fix use-after-free in mutt_str_replace()
• Clarify PGP Pseudo-header S<id> duration
• Try to respect MUTT_QUIET for IMAP contexts too
• Limit recurse depth when parsing mime messages