Features
#4080 - info screen: enable <save-message>
#4075 - add color command
color: add ANSI RGB support
color: Support ANSI 2x clear sequences
Bug Fixes
#4074 - color: fix palette conversion
#4081 - fix logging on error
#4081 - log: vim-style
#4082 - fix file auto-completion
#4090 - improve logic for growing mailbox memory
Translations
100% Czech
100% German
100% Lithuanian
100% Serbian
100% Slovak
100% Turkish
Build
#4085 - fix CFLAGS/LDFLAGS for ncurses
#4085 - configure --with-iconv
Code
#4067 - remove unused count of new mails from index private data
#4086 - smtp: Simplify the API of smtp_code()
#4091 - simplify CLAMP by expressing it with MIN/MAX
color: introduce ColorElement
color: log gui info on startup
color: move business logic out of parsers
color: tidy OptNoCurses cases
log: add log_multiline()
test: increase coverage

Bug Fixes
#4060 fix crash on exit
#4061 fix header colour
#4064 fix 32-bit date overflow
#4078 fix new mail in limited view
nntp: fix use-after-free
color: fix ansi colours
color: add +truecolor to version string

Features
#3870 - color: allow 'alert', 'bright', 'light' prefix for colorNNN
#3871 - color: refactor parsing code
#3895 - imap: truncate large UIDVALIDITYs to support non-conforming IMAP servers
#3898 - hcache: shrink Email and Body caches
#3900 - prompt: treat complete-query as complete where it makes sense
#3925 - help: add message flags to help screen
#3932 - help: add alternating colors
#3982 - mailboxes: add `-label`, `-notify` and `-poll` options
#4038 - add help to questions
#4046 - color_directcolor: Also set the default/initial value on startup
Bug Fixes
#3897 - maildir: fix sync when a deleted file disappears
#3878 - gnutls: fix "certificate saved" message
#3895 - imap: truncate large UIDVALIDITYs to support non-conforming servers
#3897 - maildir: fix fix error with `<sync-mailbox>` on mbsync
#3901 - address: parse comments after address
#3915 - bind: fix truncated binding strings
#3956 - fix 'from' address when real name isn't set
#3962 - Fix crash on `<next-thread>` when the `<limit>`ed view is empty
#3985 - browser: fix autocompletion
#3988 - pager: fix search crash
#3999 - help: fix search highlight
#4049 - force mail check on current mailbox after `<shell-escape>`
#4051 - openssl: continue if a signal interrupts an SSL read/write
Changed Config
#3881 - Rename `$imap_keepalive` to `$imap_keep_alive`
#3889 - Change defaults to use `%<...>` conditional syntax
#3949 - Add `browser_sort_dirs_first` to always list directories first
Translations
100% Turkish
100% Serbian
100% Lithuanian
100% German
99% Czech
99% Polish
98% Slovak
Code
#3877 - imap: factor out tagged emails
#3799 - address: use struct Buffer instead of plain char pointers
#3868 - drop notifications relay
#3869 - move `$delete_untag` out of the backend
#3873 - respect `--[disable-]fmemopen` in tests
hcache: optimize storage requirements, reduce config
logging: catch format string errors
colour: refactor colour parsing
refactoring, cleanup
fixed coverity defects
convert many functions to use a `Buffer`

Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild

Features
#3699 - Support 24bit colors, aka truecolor
#3738 - Show complete MIME structure in attachments
#3842 - Allow percentages to be localized
Bug Fixes
#3813 - Fix crash in op_browser_subscribe
#3844 - Select the first email when coming from an empty limit
#3848 - Fix counting new mails in maildir
#3759 - bind: fix incorrect conflict report
#3781 - index: only refresh the menu on non-focus window changes
#3856 - tunnel: fix reconnection with `ssl_force=true`
#3860 - maildir: stop parsing headers at the end of the headers section
#3864 - Fix handling of bright colours
Fix sorting of labels
Translations
100% Serbian
100% Turkish
100% Lithuanian
100% Hungarian
100% German
99% Norwegian (BokmĂĽl)
99% Slovak
99% Portuguese (Brazil)
99% Czech
95% French
Build
#3798 - Build with libidn2 by default, remove support for libidn1
Code
config: dynamically create/delete variables
config: unify handling of NeoMutt and user (my_) variables
config: cache config variables used often
speed: various speedups in parsing emails
cleanups: lots of code cleanups
Huge refactoring towards a separation of Mailbox/MailboxView

BROKEN - Please use 2023-05-17 instead

Features
imap : support IMAP4 ID extension (RFC2971)
parse: query all changed (`set`) / all (`set all`) config variables
Bug Fixes
lua: fix command registration
postpone: use colours from the right mailbox
smtp: ignore oauth if it isn't configured and not requested
Changed Config
New: `imap_send_id` - Send IMAP ID command when logging in
Translations
100% Czech
100% German
100% Hungarian
100% Lithuanian
100% Portuguese (Brazil)
100% Serbian
100% Slovak
99% Polish
Docs
Recommend GPGME
Build
fix race condition in `make install`
fallback to detect SASL manually if pkg-config fails, e.g., homebew
Code
libmutt: eliminate use of config variables
fix ubsan warning
mutt: optimize and inline mutt_str_is_email_wsp()
progress: update ncurses only when there is actual progress
email: Read assumed_charset outside loops
hcache: do less work when not in use
pager: add helper for getting $pager
hcache: remove spurious +1 from Buffer serialization.

Features
#3372 - use DT_SLIST for charset variables
#3383 - support viewing html with embedded images, #3383
#3408 - account command, see the [feature page](https://neomutt.org/feature/account-cmd)
#3411 - check that `sendmail` and `inews` don't contain shell meta characters
#3412 - browser: add mailbox_folder_format config variable
#3421 - enter: add function kill-whole-line
#3414 - account command: add macOS keychain sample provider
#3430 - account command: add GPG+JSON sample provider
#3474 - expose italics attribute for colour scheme
#3471 - allow `source` in hooks to point to relative paths
#3506 - resolve alternates when subscribing/unsubscribing
#3492 - notmuch: allow specifying configuration file
#3547 - notmuch: allow usage of notmuch profiles
#3524 - add GNU SASL support for authentication (`--gsasl` configure option)
#3548 - extend colour objects to support patterns
#3586 - detect and fixup maildirs with missing "new" and "tmp" directories
#3639 - compose: add Smime: pseudo header
#3641 - handle more X-Mutt pseudo-headers with `edit_headers`
#3702 - use `socket_timeout` to time out read/write operations
#3717 - allow `[fmt]` in `$folder_format`
#3719 - respect `attribution_locale` in `indent_string` and `post_indent_string`
#3720 - pattern: add `~K` to search Bcc, include Bcc in `~C`, `%C`, `~L`, and `~p`
#3726 - colour postponed emails list
#3734 - allow querying user-defined variables (`$my_var`) with `-Q`
#3737 - dump user-defined variables (`$my_var`) with `-D`
#3655 - generate purely random `Message-ID` headers
#3752 - allow an empty `sidebar_divider_char`
#3745 - fix handling and display of group addresses
Bug Fixes
#3386 - fix `status_on_top` to work on complex windows, e.g., attach
#3397 - imap: fix off-by-one error causing bogus "Progress message 10/9" message
#3423 - attach: fix segfault when viewing HTML attachment in compose mode
#3434 - allow for longer expansions in e.g., `index_format`
#3450 - accept unpadded base64-encoded data, as some mailers produce
#3465 - fix hangup when trying to add email address from help screens
#3468 - handle corrupted header caches
#3518 - fix slowdown when changing folders
#3828 - improve error detection for invalid `color` regexes
#3533 - distinguish between old/new with mark_old unset
#3539 - parse mboxes with unconventional `From` lines
#3572 - fix hostname detection for hostname ending with a "."
#3596 - fix truncated SMTP lines in case of very long lines
#3600 - use `smime_sign_as` instead of `pgp_sign_as` when signing S/MIME messages
#3697 - set `smime_sign_as` instead of `smime_default_key` when signing
#3609 - fix wrong message being marked as read with `$pager_read_delay = 1`
#3653 - fix negative new-mail count on maildir
#3656 - skip zero width non-joiner character in the pager
#3664 - handle text/vcard as not being an attachment, same as for text/x-vcard
#3666 - fix `hdr_order` not sorting last header correctly
#3673 - make exiting via SIGINT more graceful
#3700 - fix `unhook index-format-hook`
#3709 - send: delete signature when sending fails #3709
#3727 - SMTP: try all available methods even if SASL is not compiled in
#3730 - fix decryption issue when postponing S/MIME encrypted mails
avoid unnecessary refreshes
fixed a number of memory leaks and crashes
Config
#3604 - rename `ask_follow_up` to `ask_followup_to`
#3659 - rename `sidebar_whitelist`/`unsidebar_whitelist` to `sidebar_pin`/`sidebar_unpin`
#3629 - skip line rest of line after a warning
#3670 - `vfolder_format` is now deprecated, use `folder_format`
#3702 - rename `connect_timeout` to `socket_timeout`
#3697 - `pgp_entry_format`: add %i expand for the key fingerprint
#3724 - rename `attribution` to `attribution_intro` and
config variables are now properly spelled with underscores between names,
> `implicit_auto_view`, `message_cachedir` ->
Translations
100% Czech
100% German
100% Hungarian
100% Lithuanian
100% Portuguese (Brazil)
100% Serbian
100% Slovak
100% Turkish
99% Spanish
99% Ukrainian
94% Polish
72% Catalan
Docs
lots of documentation cleanups and updates
Code
a lot of refactor to make the code more organizes, especially in these
completion
fewer global variables
removal of some unmaintained contrib code
new maintained sample config and examples are in the `data` directory
the contrib script mutt_oauth2.py received a lot of love
Build
#3548 - support building with Undefined Behaviour Sanitizer (`--ubsan` configure option)
#3722 - generate compile_commands.json (`--compile-commands` configure option)
use pkg-config to locate most of the 3rd party dependencies
fix curses for netbsd
improve our CI stack
create libparse - parsing functions that can be easily tested
refactor commands / icommands

Fix versioning

Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild

Rebuilt for https://fedoraproject.org/wiki/Fedora_37_Mass_Rebuild

Testing

Bug Fixes
Do not crash on an invalid use_threads/sort combination
Fix: stuck browser cursor
Resolve (move) the cursor after <edit-label>
Index: fix menu size on new mail
Don't overlimit LMDB mmap size
OpenBSD y/n translation fix
Generic: split out OP_EXIT binding
Fix parsing of sendmail cmd
Fix: crash with menu_move_off=no
Newsrc: bugfix; nntp_user and nntp_pass ignored
Menu: ensure config changes cause a repaint
Mbox: fix sync duplicates
Make sure the index redraws all that's needed
Translations
100% Chinese (Simplified)
100% Czech
100% German
100% Hungarian
100% Lithuanian
100% Serbian
100% Turkish
Docs
add missing pattern modifier ~I for external_search_command
Code
menu: eliminate custom_redraw()
modernise mixmaster

Security
Fix uudecode buffer overflow (CVE-2022-1328)
Features
Colours, colours, colours
Bug Fixes
Pager: fix pager_stop
Merge colours with normal
Color: disable mono command
Fix forwarding text attachments when honor_disposition is set
Pager: drop the nntp change-group bindings
Use mailbox_check flags coherently, add IMMEDIATE flag
Fix: tagging in attachment list
Fix: misalignment of mini-index
Make sure to update the menu size after a resort
Translations
100% Hungarian
Build
Update acutest
Code
Unify pipe functions
Index: notify if navigation fails
Gui: set colour to be merged with normal
Fix: leak in tls_check_one_certificate()
Upstream
Flush iconv() in mutt_convert_string()
Fix integer overflow in mutt_convert_string()
Fix uudecode cleanup on unexpected eof

Features
Compose multipart emails
Bug Fixes
Fix screen mode after attempting decryption
imap: increase max size of oauth2 token
Fix autocrypt
Unify Alias/Query workflow
Fix colours
Say which file exists when saving attachments
Force SMTP authentication if `smtp_user` is set
Fix selecting the right email after limiting
Make sure we have enough memory for a new email
Don't overwrite with zeroes after unlinking the file
Fix crash when forwarding attachments
Fix help reformatting on window resize
Fix poll to use PollFdsCount and not PollFdsLen
regex: range check arrays strictly
Fix Coverity defects
Fix out of bounds write with long log lines
Apply `fast_reply` to 'to', 'cc', or 'bcc'
Prevent warning on empty emails
Changed Config
New default: `set rfc2047_parameters = yes`
Translations
100% German
100% Lithuanian
100% Serbian
100% Czech
100% Turkish
72% Hungarian
Docs
Improve header cache explanation
Improve description of some notmuch variables
Explain how timezones and `!`s work inside `{}`, `[]` and `()`
Document config synonyms and deprecations
Build
Create lots of GitHub Actions
Drop TravisCI
Add automated Fuzzing tests
Add automated ASAN tests
Create Dockers for building Centos/Fedora
Build fixes for Solaris 10
New libraries: browser, enter, envelope
New configure options: `--fuzzing` `--debug-color` `--debug-queue`
Code
Split Index/Pager GUIs/functions
Add lots of function dispatchers
Eliminate `menu_loop()`
Refactor function opcodes
Refactor cursor setting
Unify Alias/Query functions
Refactor Compose/Envelope functions
Modernise the Colour handling
Refactor the Attachment View
Eliminate the global `Context`
Upgrade `mutt_get_field()`
Refactor the `color quoted` code
Fix lots of memory leaks
Refactor Index resolve code
Refactor PatternList parsing
Refactor Mailbox freeing
Improve key mapping
Factor out charset hooks
Expose mutt_file_seek API
Upstream
imap QRESYNC fixes
Allow an empty To: address prompt
Fix argc==0 handling
Don't queue IMAP close commands
Fix IMAP UTF-7 for code points >= U+10000
Don't include inactive messages in msgset generation