nightly

Pre-release

Textadept nightly (01 Sep 2026)

Code Coverage

File	Coverage	Missed Lines
core/args.lua	97.47%	80, 131
core/assert.lua	100.00%
core/buffer.lua	100.00%
core/events.lua	100.00%
core/file_io.lua	100.00%
core/iface.lua	100.00%
core/init.lua	92.31%	6
core/keys.lua	98.46%	163
core/lexer.lua	100.00%
core/lfs_ext.lua	100.00%
core/locale.lua	100.00%
core/table_ext.lua	100.00%
core/ui.lua	100.00%
core/view.lua	100.00%
init.lua	98.68%	276, 306
modules/textadept/bookmarks.lua	100.00%
modules/textadept/clipboard.lua	96.88%	58
modules/textadept/command_entry.lua	100.00%
modules/textadept/editing.lua	100.00%
modules/textadept/find.lua	99.63%	356
modules/textadept/history.lua	100.00%
modules/textadept/init.lua	100.00%
modules/textadept/keys.lua	98.25%	561-563
modules/textadept/macros.lua	100.00%
modules/textadept/menu.lua	99.27%	440-441, 499
modules/textadept/run.lua	100.00%
modules/textadept/session.lua	100.00%
modules/textadept/snippets.lua	100.00%
themes/dark.lua	100.00%
themes/light.lua	100.00%
themes/term.lua	100.00%
Total	99.59%

Code Coverage

File	Coverage	Missed Lines
src/textadept.c	91%	51-55, 74, 79, 290-292, 299, 693, 696-700, 704, 707, 732-736, 738-741, 743-745, 796-804, 807-816, 856-860, 904-905, 926, 1308-1312, 1314-1318
src/textadept_curses.c	60%	239, 304, 314-325, 327-333, 335-338, 340-348, 350, 353-364, 366, 368, 370, 376-390, 394, 397-403, 456, 581, 583-592, 594-597, 626-627, 630-632, 634-638, 640-645, 649, 651-653, 655, 657-660, 663-667, 670-671, 688, 694-696, 709-724, 726-727, 729, 731, 733-739, 742-744, 748-751, 753-755, [757-764][69], [766-767][70], [772-783][71], [785-787][72], [790-791][73], [793-794][74], [796-802][75], [804-807][76], [809-811][77], [813-820][78], [824-832][79], [925][80], [933][81], [935][82], [937][83], [943-944][84], [946-951][85], [960][86], [985][87], [1015-1023][88], [1025][89], [1027-1033][90], [1035-1043][91], [1046][92]
src/textadept_gtk.c	68%	[50-51][93], [55-60][94], [70][95], [79-84][96], [107][97], [215-220][98], [224-226][99], [332-342][100], [344][101], [454-456][102], [493-496][103], [498][104], [567][105], [576-580][106], [583-593][107], [597-599][108], [601-609][109], [611-612][110], [615-622][111], [625-626][112], [665-666][113], [668-676][114], [678][115], [684-686][116], [692-697][117], [701-704][118], [710-715][119], [717-719][120], [725-727][121], [731-733][122], [736-738][123], [740-741][124], [743-749][125], [751-754][126], [756][127], [758-773][128], [776-777][129], [779-788][130], [790-801][131], [803-811][132], [930][133], [938-947][134], [949][135], [966][136]
src/textadept_qt.cpp	64%	[72-75][137], [93][138], [97-99][139], [103-104][140], [119-120][141], [309-311][142], [333][143], [340-343][144], [355-357][145], [395-412][146], [414-418][147], [420-430][148], [433-438][149], [441-451][150], [453-454][151], [462-463][152], [481-482][153], [485-488][154], [490-492][155], [497-504][156], [506-509][157], [511-513][158], [515-559][159], [561-569][160], [660-662][161], [682][162], [695-700][163], [708][164], [713-716][165], [720-721][166], [724][167], [726][168], [736][169], [750-753][170], [783-795][171], [797-801][172], [804-805][173], [819-820][174]
src/textadept_qt.h	100%
TOTAL	74%

13.1_beta

Pre-release

Textadept 13.1 beta (01 Sep 2026)

Bugfixes:

Prevent default session from being clobbered when Textadept receives a filename or directory
on the command line.
Fix buffer.fold* settings from being ignored in ~/.textadept/init.lua.
Fixed potential for desynchronized tabs on startup in the GTK version.
Fixed key bindings for "Select Line".
LSP: fix some Lua language server startup issues.

Changes:

When building from source, CMake verifies checksums for downloaded dependencies.
Recognize '-' as stdin when using Textadept as a standalone Lua interpreter via -L or --lua.
events.UPDATE_UI now has buffer.UPDATE_TEXT and buffer.UPDATE_LINE_COUNT bits for when
buffer text and line count changes, respectively.
Replaced is_hidpi() with ui.scale.
Support fractional scaling on Qt.
LSP: Lua language server removes images from LDoc markdown.
Updated to Scintilla 5.6.6.
Updated to Lua 5.5.1.

13.0

Textadept 13.0 (01 Jul 2026)

Please see the migration guide for migrating from Textadept 12 to 13.

Bugfixes:

Fixed terminal version error invoking find/replace with uninitialized find/replace text.

Changes:

Improved syntax highlighting performance in markup languages like HTML, Markdown, XML, and YAML.
Improve Markdown lexer performance detecting code blocks.
Improve heredoc syntax highlighting in the languages that support them (Bash, Perl, Ruby, etc.).
Added support for Odin.
Updated C lexet to add more C99 identifiers.
Scintilla: restore selection and scroll positions for undo/redo in additional views.
Scintilla: improve performance of rectangular paste with many spaces.
Scintilla: fix failures displaying calltips and autocompletion lists in Qt version on Wayland.

13.0_beta_3

13.0_beta_2

13.0_beta

Pre-release

Textadept 13.0 beta (01 Apr 2026)

Please see the migration guide for migrating from Textadept 12 to 13.

Bugfixes:

Fixed code signing issues on macOS that prevent Textadept from running.
Qt version: fixed occasional bug restoring buffer state after closing a buffer.
Prevent crashes caused by timeouts firing while quitting.
Fixed statusbar notification for manually stopped compile/run/build/test commands.
Fixed Alt+Backspace on macOS.
Fixed "Find Next" and "Find Prev" bug after finishing incremental find.
Fixed occasional inability to start Textadept again after quitting on macOS.
Prevent clobbering the previous session if a startup error occurs.
Qt version: fixed ui.get_clipboard_text() with multi-byte characters.
LSP: changed some conflicting macOS key bindings.
Spellcheck: do not attempt to load the 'C' language.
Scintilla: fixed buffer.selection_n_start and buffer.selection_n_end to behave more sensibly.
Scintilla: fixed lexing after undo at end of buffer.

Changes:

The terminal version requires a wide-character implementation of ncurses.
Updated to Qt 6.10 on Windows and Qt 6.11 on macOS.
Added simpler key bindings for switching between views on macOS.
Added native "Window" menu on macOS to hook into window tiling, etc.
Save fold state in sessions.
Support language-specific auto-paired characters.
Changed some default key bindings (see migration guide).
Removed io.track_changes.
textadept.editing.strip_trailing_spaces ignores diff/patch files.
Updated Lua, LaTeX, Perl, and Go lexers.
Added lexer.ignore_extensions and lexer.ignore_patterns for ignoring trailing
filename suffixes.
Added support for Arduino.
Format: added config_file_contains() and config_file_exists() convenience functions.
Updated to Scintilla 5.6.0.

13.0_alpha_2

Pre-release

Textadept 13.0 alpha 2 (01 Feb 2026)

Please see the migration guide for migrating from Textadept 12 to 13.

Bugfixes:

Fixed bug spawning commands with single quoted argments in the Qt version.
Fixed inability to work with files with UTF-8 characters in them on Windows.
Fixed rare signaling issues (e.g. keypress in the find entry) in the GTK version.
Fixed potential override of terminal version light color variants.
Fixed terminal version box indicators potentially showing the wrong colors.
Spellcheck: fall back on the English dictionary if the detected language is C.

Changes:

Require C17 for compiling.
Updated key bindings for switching between buffers on macOS.
Changed key binding for "View > Toggle Fold".
Added menu options for toggling find options.
Renamed view.size and view.parent_size to view.split_pos and view.parent_split_pos,
respectively.
ui.get_split_table() now returns a {width, height, split_pos} table for view size fields.
The terminal version can draw underline indicators using INDIC_SQUIGGLE or INDIC_SQUIGGLELOW.
Updated to Lua 5.5.0.

13.0_alpha

Pre-release

Textadept 13.0 alpha (01 Dec 2025)

Bugfixes:

Do not override a user-specified Qt style.
Fixed inability to build with GTK2 if GTK3 is also installed.
Fixed Qt 5 menus from appearing as separate windows on Wayland.
Prevent xsel output being shown on startup.
Fixed potential failure running build/test/run project commands.
Fixed terminal version mouse mode for terminals larger than 222 rows/columns.
LSP: do not accidentally load system Lua socket library if it exists.
Scintilla: ensure selection is drawn correctly when restored by undo.
Scintilla: fixed bug when indenting rectangular selection.

Changes:

macOS binary downloads are only for Apple Silicon.
Made ui.statusbar_text and ui.buffer_statusbar_text readable.
Prevent Qt split views from collapsing when they get too small.
Added ui.statusbar for controlling statusbar visibility.
Scintilla: buffer.selection_serialized format changed.
Scintilla: updated to Unicode 16.
Updated to Lua 5.5.0 (rc1).
Updated to Scintilla 5.5.8.

12.9

Textadept 12.9 (01 Oct 2025)

Download:

Bugfixes:

Fixed Wayland copy clipboard command in the terminal version.
Selecting between matching quotes should recognize when it's at the end of a string.
Fixed Qt progress dialog being stuck in an indeterminate state.
Fixed Pascal lexer numeric literals.
Fixed folding of HTML/XML comments and XML processing instructions.
Fixed incorrectly highlighting '..' range operators between numbers.

Changes:

Updated Windows and macOS binaries to use Qt 6.9.
Added support for Janet and todo.txt.
Updated Python lexer to support t-strings.
Updated ini, Dart, and org lexers.
Autoupdate: renamed module from "autoupdate" to "update_notifier" to better reflect functionality.

12.8

Textadept 12.8 (01 Aug 2025)

Download:

Bugfixes:

Added missing menu mnemonic for Tools > Show Keys.
Fixed inability to escape escape sequences in regex replace.
Disable mouse and bracketed paste in terminal version after selecting "save all" when quitting.
Autoupdate: lack of internet connection should not cause autoupdate check error.
LSP: only shutdown language servers when actually quitting.
Scintilla: prevent wrapping between 'rn'.
Scintilla: fixed crash during painting when scrollbars are changed.
Scintilla: fixed GTK bug where scroll position is not restored in non-wrap mode.

Changes:

Added Japanese translation.
Support building on macOS with Homebrew Qt.
Only check for non-existent recent files on session load instead of on dialog open.
Autoupdate: added button for copying release link to clipboard instead of auto-clobbering it.
Open file mode: added autocompletion list icons.
Open file mode: emulate bash completion better, including ~ expansion.
Scratch: add ability to save/restore indicators, including for Files Found buffers.
Scintilla: added view:scroll_vertical() for easily scrolling to wrapped sub-lines.
Updated to Lua 5.4.8.
Updated to Scintilla 5.5.7.