NeoMutt

Release 2026-04-06

Mon, 06 Apr 2026 00:00:00 +0000

📖 Notes

This release focuses on IMAP reliability, with connection monitoring, timeouts, and reconnection backoff. It also includes many bug fixes across IMAP, threading, and the index.

💎 Sponsors

Special thanks to our sponsors:


Jakub Jindra @jindraj	Scott Kostyshak @scottkosty	Mark Korondi @kmARC	Bastian Bittorf @bittorf	Igor Serebryany @igor47

Nicolas Évrard @nicoe	Robert Ricci @ricci	Nick Price @DominoTree	Sebastian Stark @sstark	Farzad Sadeghi @terminaldweller

Robert Labudda
Morgan Kelly
罗昭铭
Aboudoulaye Yatera
Marton Balazs (@martonbalazs)
Kirill Rekhov (@krekhovx)
Joonas Laine
Anonymous (Liberapay)

Become a sponsor of NeoMutt

❤️ Thanks

Many thanks to our new contributor:

Vladimír Marek (@vlmarek)

and our regular contributors:

Pietro Cerutti (@gahr)
Alejandro Colomar (@alejandro-colomar)

🎁 Features

#4799 Add IMAP connection monitoring, timeouts, and reconnection backoff

🐞 Bug Fixes

#4755 Fix off-by-one in ARRAY_RESERVE()
#4819 Fix IMAP crash when changing folders
Fix freeze in IMAP with OpenSSL
Fix blocking IMAP pipeline drain with many mailboxes
Fix crash on threaded index update
Fix crash on NULL thread in display subject
Fix menu half-down when data fits in one page
Fix alias search prompt
Fix index tag colours
Protect hooks against unhook during execution
Fix leak in pattern alias search
Consistently convert headers to LF EOL convention

🔧 Changed Config

Changed: compose_show_preview = yes Display a preview of the message body in the Compose window

📚 Docs

$message_id_format: mention Base64Url encoding
Fix descriptions of deprecated config options

🏗️ Build

#4826 Use optreset on Solaris too
#4827 Avoid function name clash on Solaris
#4828 Allow Solaris to use qsort_s
Check docs requirements in configure

⚙️ Code

Fix graphviz debug output

Richard Russon (flatcap)

Release 2026-01-05

Mon, 05 Jan 2026 00:00:00 +0000

📖 Notes

Happy New Year 🎉

This is a re-release of 2025-12-11, but I’ve reverted one change. My fix for the Browser caused trouble/confusion, so I’ve removed it.

One feature and lots of bug fixes.

This release introduces $message_id_format (docs).

💎 Sponsors

Special thanks to our sponsors:


Jakub Jindra @jindraj	Scott Kostyshak @scottkosty	Igor Serebryany @igor47	Mark Korondi @kmARC	Bastian Bittorf @bittorf

Nicolas Évrard @nicoe	Robert Ricci @ricci	Farzad Sadeghi @terminaldweller	Nick Price @DominoTree

Robert Labudda
Morgan Kelly
罗昭铭
Aboudoulaye Yatera
Marton Balazs (@martonbalazs)
Kirill Rekhov (@krekhovx)

Become a sponsor of NeoMutt

❤️ Thanks

Many thanks to our new contributors:

Sam Koved (@skoved)
Bjarni Ingi Gislason

and our regular contributors:

Marius Gedminas (@mgedmin)
Emir Sari (@bitigchi)
Страхиња Радић (@strahinja)
Carlos Henrique Lima Melara (@charles2910)
Thomas Adam (@thomasadam)
Dennis Schön (@roccoblues)
Keith Bowes (@keithbowes)
Pietro Cerutti (@gahr)

🔒 Security

#4725 deprecate old ssl and tls options

🎁 Features

#4718 add $message_id_format
Notmuch: hide some old/deprecated features

🐞 Bug Fixes

#4666 limit: force refresh of index bar
#4671 Update the status bar on thread [un]collapse
#4673 shrink history file on every new entry
#4679 Flush S/MIME passkey on failure to sign
#4684 execute message-hook sooner
#4687 fix: exec auto-completion
#4688 Fix infinite loop in GnuTLS socket I/O when socket blocks
#4696 cmd_parse_fetch(): debug: avoid NULL dereference
#4697 expunge: guard against segfault
#4719 alias: complete when only one match
#4726 imap: protect against crash on shutdown
fix resolve for tagged save
help: fix sorting of unbound functions
help: hide deprecated functions

🔧 Changed Config

New: message_id_format = "<%z@%f>"
Deprecated ssl_use_sslv2
Deprecated ssl_use_sslv3
Deprecated ssl_use_tlsv1
Deprecated ssl_use_tlsv1_1

🏴 Translations

100% ✳️ Esperanto
100% 🇱🇹 Lithuanian
100% 🇷🇸 Serbian
100% 🇹🇷 Turkish

📚 Docs

#4665 Revamp the S/MIME docs
#4680 Document how to use S/MIME with GPGMe
#4692 update the contribution guidelines
fix deprecated $pager example
lots man pages fixes
update help for sort options

🏗️ Build

#4668 fix build for re-entrant ncurses
#4727 make openssl/gnutls mutually exclusive
libkey: light refactoring
lua: create liblua

⚙️ Code

#4695 Replace some TAILQ uses with ARRAY
convert the ctype wrappers to use bool
global invert OptNoCurses to OptGui
key: collapse redirector functions
move km_init() earlier in startup
opcodes: add flags to MenuFuncOp
pass focused window to global functions
Use buf_at() to get a char from a Buffer
use StringArray everywhere

Richard Russon (flatcap)

Release 2025-12-11

Thu, 11 Dec 2025 00:00:00 +0000

📖 Notes

This Release has been superseded by 2026-01-05.

It’s safe to use, but 2026-01-05 is better.

Richard Russon (flatcap)

Release 2025-09-05

Fri, 05 Sep 2025 00:00:00 +0000

📖 Notes

This is a small release: one new config option and some bug fixes.

❤️ Thanks

Many thanks to our new contributor:

Gopi Krishna Menon (@gopi487krishna)

and our regular contributors:

Pietro Cerutti (@gahr)
Dennis Schön (@roccoblues)
Ryan d’Huart (@homoelectromagneticus)
Marius Gedminas (@mgedmin)
Thomas Klausner (@0-wiz-0)
Róbert Horváth (@r001)
Rayford Shireman (@rayfordshire)
Gerrit Rüsing (@kbcb)
Emir Sari (@bitigchi)
Alejandro Colomar (@alejandro-colomar)

🔒 Security

#4623 ncrypt/crypt.c: Protect Message-ID

🎁 Features

#4644 Provide an option to confirm on an empty To

✨ Contrib

#4645 Add ayu-dark-256 colorscheme

🐞 Bug Fixes

#4635 Handle a non-existing message_cache_dir
#4642 Decouple $crypt_encryption_info and $crypt_protected_headers_weed from $devel_security
#4650 Return success after querying for config

🔧 Changed Config

Add: confirm_empty_to = no Confirm when sending an e-mail with an empty To:

🏴 Translations

100% 🇩🇪 German
100% 🇹🇷 Turkish
99% 🇭🇺 Hungarian
98% 🇱🇹 Lithuanian
89% 🇫🇷 French

🏗️ Build

#4636 Update FreeBSD CI and workaround pkg bug
actions: use checkout v5

⚙️ Code

#4023 tweak observer event types
#4628 Use the standard countof instead of our mutt_array_size()
#4637 Update types in test dummy code
#4638 remove useless const qualifier from log_queue_get()
#4655 Make sure ctype(3) function arguments are valid
#4657 Fix warning about unused function and data
#4659 Include term.h and [n]curses.h consistently

Richard Russon (flatcap)

Release 2025-05-10

Sat, 10 May 2025 00:00:00 +0000

📖 Notes

This is a small Bug-Fix Release.

The only big change is the new complete Esperanto Translation. Thanks Keith!

❤️ Thanks

Many thanks to our new contributors:

Keith Bowes (@keithbowes)
Juris Lambda (@jxlambda)
Luz Paz (@luzpaz)

and our regular contributors:

Pietro Cerutti (@gahr)
Marius Gedminas (@mgedmin)
EC Herenz (@Knusper)

✨ Contrib

#4616 Fix gpg-json output

🐞 Bug Fixes

#4600 main: don’t stop if /var/spool/mail is missing
#4602 color: fix quoted maths
#4604 Don’t consider “weed” when writing an email to file
#4605 help: fix leaks
#4612 imap: check for incomplete Mailboxes on sync
#4622 fix label completion crash

🏴 Translations

#4622 update Esperanto translation
Update lt_LT translations

📚 Docs

docs: fix broken functions

🏗️ Build

#4607 Check for DocBook XSL
#4618 Build and test on FreeBSD

Richard Russon (flatcap)

Release 2025-04-04

Fri, 04 Apr 2025 00:00:00 +0000

📖 Notes

This is (mostly) a Bug-Fix Release.

Most of other changes are improving the startup/help, e.g.

neomutt -h # Clearer help
neomutt -h send # Specific help with examples
neomutt -DD # Dump different (changed) config

❤️ Thanks

Many thanks to our new contributors:

@wbob
@Leif-W
Michael J Gruber (@mjg)

and our regular contributors:

Chao-Kuei Hung (@ckhung)
Pietro Cerutti (@gahr)
Rayford Shireman (@rayfordshire)
Gerrit Rüsing (@kbcb)
Ian Zimmerman (@nobrowser)
Ryan d’Huart (@homoelectromagneticus)
Dennis Schön (@roccoblues)
Emir Sari (@bitigchi)
Mateus Etto (@yutsuten)
Marius Gedminas (@mgedmin)

🎁 Features

#4493 - config: don’t quote enums
#4493 - link config dump to docs
#4494 - refactor the Help Page for clarity
#4554 - CLI: neomutt -DD – Dump Different
#4593 - browser: tag select rather than descend

🐞 Bug Fixes

#3469 - source: fix variable interpretation
#4370 - mutt_oauth2: refactor sasl_string computation
#4536 - expand tabs to spaces in compose preview
#4537 - fix dumping of initial values
#4538 - move real_name init
#4542 - Remove MUTT_NEWFOLDER, fix appending to mbox
#4546 - Respect Ignore when modifying an email’s headers
#4549 - fix refresh on toggle hide_thread_subject
#4550 - buffer: fix seek
#4551 - add comma to single <complete-query> match
#4595 - notmuch: check for parse failure
#4596 - query: allow <>s around email addresses
pager: fix normal/stripe colour
fix colour leaks in pager
fix array leak in the verify certificate dialog

🏴 Translations

100% 🇩🇪 German
100% 🇹🇷 Turkish
96% 🇱🇹 Lithuanian
86% 🇫🇷 French
49% 🇹🇼 Chinese (Traditional)

🏗️ Build

#4552 - Deprecate some configure options that aren’t used anymore
build: workaround for unused-result warning

⚙️ Code

#4492 - colour refactoring
#4543 - debug: Chain old SEGV Handler
#4545 - Allow nested ARRAY_FOREACH()
#4553 - config: API has_been_set()
#4557 - config: drop ConfigSet from API functions
#4558 - drop obsolete pgp/smime menus
#4559 - array: foreach_reverse()
#4560 - Change description of verify-key to be crypto-scheme agnostic
#4561 - expando: move EnvList out of library
#4570 - Simplify the management of NeoMutt Commands
#4571 - libcli - parse the command line
#4580 - Split CLI Usage into sections
#4582 - pager: fix lost NT_PAGER notifications
#4591 - pager: fix refresh on config/colour changes
array: upgrade get_elem_list()
Buffer refactoring
coverity: fix defects
improve localise_config()
main: drop -B (batch mode) option
merge init.[ch] into main.c
refactor version code
neomutt: home_dir, username, env
query: unify NeoMutt -D and -Q
refactor main.c/init.c
sidebar: streamline expando callbacks
test: lots of parse coverage
window refactoring
window: force recalc repaint on new windows

♻️ Upstream

Update mutt/queue.h
Fix NULL pointer dereference when calling imap_logout_all()

Richard Russon (flatcap)

Release 2025-01-13

Mon, 13 Jan 2025 00:00:00 +0000

📖 Notes

This is a small Bug-Fix Release.

DO NOT use the 2025-01-09 release. I’m really sorry, but it had a problem with mbox Mailboxes.

❤️ Thanks

Many thanks to our new contributors:

Helge Deller (@hdeller)

and our regular contributors:

Ryan d’Huart (@homoelectromagneticus)
Pietro Cerutti (@gahr)
Dennis Schön (@roccoblues)
Chao-Kuei Hung (@ckhung)
Страхиња Радић (@strahinja)
Gerrit Rüsing (@kbcb)
Marius Gedminas (@mgedmin)
Jakub Jindra (@jindraj)

🐞 Bug Fixes

#4477 fix crash in folder-hook
#4480 fix memory leak in compose message preview (fixes #4478)
#4483 query: fix comma-separated names
#4485 lua: fix lua_mutt_call()
#4490 notmuch: refresh the Email if the filename changes
fix: no new mail message
fix display of certificate fingerprints
fix prompt colour

🏴 Translations

100% 🇨🇿 Czech
100% 🇩🇪 German
100% 🇱🇹 Lithuanian
100% 🇷🇸 Serbian
100% 🇸🇰 Slovakian
100% 🇹🇷 Turkish
91% 🇫🇷 French
41% 🇹🇼 Chinese (Traditional)

🏗️ Build

#4479 Fix DT_NUMBER entries on 32-bit endian platforms

⚙️ Code

#4481 Simplify mutt_file_fopen()
colour refactoring
standardise variable names for temporary files

Richard Russon (flatcap)

Release 2025-01-09

Thu, 09 Jan 2025 00:00:00 +0000

BROKEN - DO NOT USE

Use Release 2025-01-13 or later

Richard Russon (flatcap)

Release 2024-12-12

Thu, 12 Dec 2024 00:00:00 +0000

📖 Notes

Compose Message Preview

A new feature this release: Compose Message Preview – See the email you’re about to send. Thanks Dennis! (@roccoblues)

To enable it: set compose_show_preview = yes More info: https://neomutt.org/feature/compose-message-preview

Config Changes

Along with a lot of code refactoring there have been some config changes. They unify the Alias and Query Dialogs – same behaviour, same format strings.

The changes are backwards compatible.

❤️ Thanks

Many thanks to our new contributors:

Chao-Kuei Hung (@ckhung)
Dmitry Polunin (@frei-0xff)

and our regular contributors:

Marius Gedminas (@mgedmin)
Ryan d’Huart (@homoelectromagneticus)
Страхиња Радић (@strahinja)
Claes Nästén (@pekdon)
Alejandro Colomar (@alejandro-colomar)
Dennis Schön (@roccoblues)
Scott Kostyshak (@scottkosty)
Pietro Cerutti (@gahr)
EC Herenz (@knusper)
Carlos Henrique Lima Melara (@charles2910)
Emir Sari (@bitigchi)
Gerrit Rüsing (@kbcb)

🎁 Features

#4437 show message preview in compose view
#4439 add trailing commas when editing addresses

🐞 Bug Fixes

#4444 expando: fix overflow
#4461 Spaces can be wide
#4464 Remove BOM from UTF-8 text
#4467 Bug with wrong fingerprints in certificate_file
#4470 fix postponed sorting assertion failure
#4472 fix: save_attachment_open() when overwriting
#4473 add text-wrapping to compose message preview pager
#4475 edit_headers: cleanup temporary file on error
expando: fix crash on empty %[] date
expando: fix container formatting
browser: fix ‘tag-‘ display
query: fix memory leak
fix more arrow_cursor + search

🔧 Changed Config

Config Renames:
- $pgp_sort_keys -> $pgp_key_sort
- $sidebar_sort_method -> $sidebar_sort
- $sort_alias -> $alias_sort
- $sort_browser -> $browser_sort
Changed Defaults:
- set alias_format = "%3i %f%t %-15a %-56A | %C%> %Y"
- set query_format = "%3i %t %-25N %-25E | %C%> %Y"

🏴 Translations

100% 🇩🇪 German
100% 🇱🇹 Lithuanian
100% 🇷🇸 Serbian
100% 🇹🇷 Turkish
89% 🇫🇷 French
39% 🇹🇼 Chinese (Traditional)

:shield: Coverity Defects

Explicit null dereferenced
Overflowed constant
Overflowed return value
Resource leak

📚 Docs

alias tags

🏗️ Build

#4452 only use struct tm.tm_gmtoff if available

⚙️ Code

#4294 refactor memory allocation
#4442 remove unused fields from ComposeSharedData
#4447 refactor ‘sort’ constants
#4449 add mutt_window_swap()
unify Menu data
move config to libraries
unify Alias/Query
expando factor out callbacks
refactor simple_dialog_new()
test: add TEST_CHECK_NUM_EQ()
fopen: tidy read-only

♻️ Upstream

#4448 Update queue.h

Richard Russon (flatcap)

Release 2024-11-14

Thu, 14 Nov 2024 00:00:00 +0000

📖 Notes

This release is mostly bug-fixes.

Expando handling (%x things) should now be robust, including escaping chars like <

CLI Crypto is no-longer devel

❤️ Thanks

Many thanks to our new contributors:

Colin Wee (@googlebleh)
李经纬 (@ljw20180420)
Viacheslav Chimishuk (@vchimishuk)

and our regular contributors:

Alejandro Colomar (@alejandro-colomar)
Jakub Jindra (@jindraj)
Carlos Henrique Lima Melara (@charles2910)
Pietro Cerutti (@gahr)
Emir Sari (@bitigchi)
Ryan d’Huart (@homoelectromagneticus)
Gerrit Rüsing (@kbcb)
vuori (@vuori)
James Cook (@falsifian)

🔒 Security

Fixed: CVE-2024-49393
Fixed: CVE-2024-49394
#4300 Read the protected Message-ID

🎁 Features

#4336 Allow toggling numeric configs, e.g. :toggle pager_index_lines
#4427 alias: tag/untag pattern
query: tag with <space>

✨ Contrib

#4400 mutt_oauth2.py: Fix reference to client_secret

🐞 Bug Fixes

#4399 fix duplicate save-hook
#4403 expando: fix escaping
#4404 browser: fix enter-quit-enter
#4405 pager: fix repaint
#4407 config: warn about deprecated variables
#4425 Refresh alias/query dialog on alias/query format change
#4433 compose: fix redraw on attachment
#4436 compose: fix search with arrow_cursor
#4438 autocrypt: fix copy_normalize_addr()
alias: fix cli crash
expando: fix relative dates
expando: padding default to space

🏴 Translations

100% 🇩🇪 German
100% 🇹🇷 Turkish
99% 🇨🇿 Czech
99% 🇸🇰 Slovak
82% 🇫🇷 French

📚 Docs

drop refs to always-enabled features
fix typo in unmacro
fix broken link
ncrypt: fix typo in config.c

🏗️ Build

#4409 Use FreeBSD 14.1 in Cirrus CI

⚙️ Code

#4294 Create memory alloc wrappers
#4391 Don’t return the result of realpath() on failure
#4417 Fix memory leak in hcache
#4423 Lots of expando refactoring
fix type of PatternFlags.tag
tidy: smime_get_key_by_str()

Richard Russon (flatcap)