mirror of
https://github.com/alacritty/alacritty
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![Kirill Chibisov](/assets/img/avatar_default.png)
Previous implementation was querying Fontconfig using `charset` in a pattern, which was leading to unpredictable fallbacks in some cases, since Fontconfig was picking the font with the most coverage for a given charset, regardless of user configuration. Moreover all fallback was based on font_match which is extremely slow for such performance sensitive task as a fallback, so alacritty had a hard times on vtebench's unicode-random-write. The new approach is to use some internal fallback list from font_sort and iterate over it to get a proper fallback font, since it matches the following example query from `fc-match`: `fc-match -s "monospace:pixelsize=X:style=Y" That being said it's more intuitive for users to setup their system Fontconfig fallback, and also most applications are doing similar things. Moreover the new implementation uses internal caches over Fontconfig API when possible and performs font matches only once during load of requested font with font_sort, which leads to dramatically improved performance on already mentioned vtebench's unicode-random-write. Fixes #3176. Fixes #3134. Fixes #2657. Fixes #1560. Fixes #965. Fixes #511.
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Changelog
All notable changes to this project will be documented in this file.
The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.
0.4.2-dev
Packaging
- Minimum Rust version has been bumped to 1.37.0
Changed
- Pressing additional modifiers for mouse bindings will no longer trigger them
- Renamed
WINIT_HIDPI_FACTOR
environment variable toWINIT_X11_SCALE_FACTOR
- Print an error instead of crashing, when startup working directory is invalid
- Line selection will now expand across wrapped lines
- The default value for
draw_bold_text_with_bright_colors
is nowfalse
Fixed
- Incorrect default config path in
--help
on Windows and macOS - Semantic selection stopping at full-width glyphs
- Full-width glyphs cut off in last column
- Crash when starting on some X11 systems
- Font size resetting when Alacritty is moved between screens
- Limited payload length in clipboard escape (used for Tmux copy/paste)
- Alacritty not ignoring keyboard events for changing WM focus on X11
- Regression which added a UNC path prefix to the working directory on Windows
- CLI parameters discarded when config is reload
- Blurred icons in KDE task switcher (alacritty.ico is now high-res)
- Consecutive builds failing on macOS due to preexisting
/Application
symlink - Block selection starting from first column after beginning leaves the scrollback
- Incorrect selection status of the first cell when selection is off screen
- Backwards bracket selection
- Stack overflow when printing shader creation error
- Underline position for bitmap fonts
- Selection rotating outside of scrolling region
- Throughput performance problems caused by excessive font metric queries
- Unicode throughput performance on Linux/BSD
- Resize of bitmap fonts
- Crash when using bitmap font with
embeddedbitmap
set tofalse
- Inconsistent fontconfig fallback
Removed
- Config option
auto_scroll
, which is now always disabled
0.4.1
Packaging
- Added compatibility logo variants for environments which can't render the default SVG
Added
- Terminal escape bindings with combined modifiers for Delete and Insert
- /Applications symlink into OS X DMG for easier installation
- Colored emojis on Linux/BSD
- Value
randr
forWINIT_HIDPI_FACTOR
, to ignoreXft.dpi
and scale based on screen dimensions Minimize
key binding action, bound tocmd + m
on macOS
Changed
- On Windows, the ConPTY backend will now be used by default if available
- The
enable_experimental_conpty_backend
config option has been replaced withwinpty_backend
Fixed
- URLs not truncated with non-matching single quote
- Absolute file URLs (
file:///home
) not recognized because of leading/
- Clipboard escape
OSC 52
not working with empty clipboard parameter - Direct escape input on Windows using alt
- Incorrect window size on X11 when waking up from suspend
- Width of Unicode 11/12 emojis
- Minimize on windows causing layout issues
- Performance bottleneck when clearing colored rows
- Vague startup crash messages on Windows with WinPTY backend
- Deadlock on Windows when closing Alacritty using the title bar "X" button (ConPTY backend)
- Crash on
clear
when scrolled up in history - Entire screen getting underlined/stroke out when running
clear
- Slow startup on some Wayland compositors
- Padding not consistently visible on macOS
- Decorations ignoring Windows dark theme
- Crash on macOS when starting maximized without decorations
- Resize cursor not showing up on Wayland
- Maximized windows spawning behind system panel on Gnome Wayland
Removed
- Support for 8-bit C1 escape sequences
0.4.0
Packaging
- Minimum Rust version has been bumped to 1.36.0
- Config is not generated anymore, please consider distributing the alacritty.yml as documentation
- Removed Alacritty terminfo from .deb in favor of ncurses provided one
Added
- Block selection mode when Control is held while starting a selection
- Allow setting general window class on X11 using CLI or config (
window.class.general
) - Config option
window.gtk_theme_variant
to set GTK theme variant - Completions for
--class
and-t
(short title) - Change the mouse cursor when hovering over the message bar and its close button
- Support combined bold and italic text (with
font.bold_italic
to customize it) - Extra bindings for F13-F20
- Terminal escape bindings with combined modifiers
- Bindings for ScrollToTop and ScrollToBottom actions
ReceiveChar
key binding action to insert the key's text character- New CLI flag
--hold
for keeping Alacritty opened after its child process exits - Escape sequence to save and restore window title from stack
- Alternate scroll escape sequence (
CSI ? 1007 h
/CSI ? 1007 l
) - Print name of launch command if Alacritty failed to execute it
- Live reload font settings from config
- UTF-8 mouse mode escape sequence (
CSI ? 1005 h
/CSI ? 1005 l
) - Escape for reading clipboard (
OSC 52 ; <s / p / c> ; ? BEL
) - Set selection clipboard (
OSC 52 ; <s / p> ; <BASE64> BEL
)
Changed
- On Windows, query DirectWrite for recommended anti-aliasing settings
- Scroll lines out of the visible region instead of deleting them when clearing the screen
Fixed
- GUI programs launched by Alacritty starting in the background on X11
- Text Cursor position when scrolling
- Performance issues while resizing Alacritty
- First unfullscreen action ignored on window launched in fullscreen mode
- The window is now filled with the background color before displaying
- Cells sometimes not getting cleared correctly
- X11 clipboard hanging when mime type is set
- On macOS, Alacritty will now fallback to Menlo if a font specified in the config cannot be loaded
- Debug ref tests are now written to disk regardless of shutdown method
- Cursor color setting with escape sequence
- Override default bindings with subset terminal mode match
- On Linux, respect fontconfig's
embeddedbitmap
configuration option - Selecting trailing tab with semantic expansion
- URL parser incorrectly handling Markdown URLs and angled brackets
- Intermediate bytes of CSI sequences not checked
- Wayland clipboard integration
- Use text mouse cursor when mouse mode is temporarily disabled with shift
- Wayland primary selection clipboard not storing text when selection is stopped outside of the window
- Block URL highlight while a selection is active
- Bindings for Alt + F1-F12
- Discard scrolling region escape with bottom above top
- Opacity always applying to cells with their background color matching the teriminal background
- Allow semicolons when setting titles using an OSC
- Background always opaque on X11
- Skipping redraws on PTY update
- Not redrawing while resizing on Windows/macOS
- Decorations
none
launching an invisible window on Windows - Alacritty turning transparent when opening another window on macOS with chunkwm
- Startup mode
Maximized
having no effect on Windows - Inserting Emojis using
Super+.
or compose sequences on Windows - Change mouse cursor depending on mode with Wayland
- Hide mouse cursor when typing if the
mouse.hide_when_typing
option is set on Wayland - Glitches when DPI changes on Windows
- Crash when resuming after suspension
- Crash when trying to start on X11 with a Wayland compositor running
- Crash with a virtual display connected on X11
- Use
\
instead of\\
as path separators on Windows for logging config file location - Underline/strikeout drawn above visual bell
- Terminal going transparent during visual bell
- Selection not being cleared when sending chars through a binding
- Mouse protocols/encodings not being mutually exclusive within themselves
- Escape
CSI Ps M
deleting lines above cursor when at the bottom of the viewport - Cell reset not clearing underline, strikeout and foreground color
- Escape
CSI Ps c
honored with a wrongPs
- Ignore
ESC
escapes with invalid intermediates - Blank lines after each line when pasting from GTK apps on Wayland
Removed
- Bindings for Super/Command + F1-F12
- Automatic config generation
- Deprecated
scrolling.faux_multiplier
, the alternate scroll escape can now be used to disable it andscrolling.multiplier
controls the number of scrolled lines
0.3.3
Packaging
- Add appstream metadata, located at /extra/linux/io.alacritty.Alacritty.xml
- The xclip dependency has been removed
- On macOS, Alacritty now requests NSSystemAdministrationUsageDescription to avoid permission failures
- Minimum Rust version has been bumped to 1.32.0
Added
- Added ToggleFullscreen action
- On macOS, there's a ToggleSimpleFullscreen action which allows switching to fullscreen without occupying another space
- A new window option
window.startup_mode
which controls how the window is created _NET_WM_ICON
property is set on X11 now, allowing for WMs to show icons in titlebars- Current Git commit hash to
alacritty --version
- Config options
window.title
andwindow.class
- Config option
working_directory
- Config group
debug
with the optionsdebug.log_level
,debug.print_events
anddebug.ref_test
- Select until next matching bracket when double-clicking a bracket
- Added foreground/background escape code request sequences
- Escape sequences now support 1, 3, and 4 digit hex colors
Changed
- On Windows, Alacritty will now use the native DirectWrite font API
- The
start_maximized
window option is nowstartup_mode: Maximized
- Cells with identical foreground and background will now show their text upon selection/inversion
- Default Window padding to 0x0
- Moved config option
render_timer
andpersistent_logging
to thedebug
group - When the cursor is in the selection, it will be inverted again, making it visible
Fixed
- Double-width characters in URLs only being highlit on the left half
- PTY size not getting updated when message bar is shown
- Text Cursor disappearing
- Incorrect positioning of zero-width characters over double-width characters
- Mouse mode generating events when the cell has not changed
- Selections not automatically expanding across double-width characters
- On macOS, automatic graphics switching has been enabled again
- Text getting recognized as URLs without slashes separating the scheme
- URL parser dropping trailing slashes from valid URLs
- UTF-8 BOM skipped when reading config file
- Terminfo backspace escape sequence (
kbs
)
Removed
- Deprecated
mouse.faux_scrollback_lines
config field - Deprecated
custom_cursor_colors
config field - Deprecated
hide_cursor_when_typing
config field - Deprecated
cursor_style
config field - Deprecated
unfocused_hollow_cursor
config field - Deprecated
dimensions
config field
Version 0.3.2
Fixed
- Panic on startup when using Conpty on Windows
Version 0.3.1
Added
- Added ScrollLineUp and ScrollLineDown actions for scrolling line by line
- Native clipboard support on X11 and Wayland
Changed
- Alacritty now has a fixed minimum supported Rust version of 1.31.0
Fixed
- Reset scrolling region when the RIS escape sequence is received
- Subprocess spawning on macos
- Unnecessary resize at startup
- Text getting blurry after live-reloading shaders with padding active
- Resize events are not send to the shell anymore if dimensions haven't changed
- Minor performance issues with underline and strikeout checks
- Rare bug which would extend underline and strikeout beyond the end of line
- Cursors not spanning two lines when over double-width characters
- Incorrect cursor dimensions if the font offset isn't
0
Version 0.3.0
Packaging
- On Linux, the .desktop file now uses
Alacritty
as icon name, which can be found atextra/logo/alacritty-term.svg
Added
- MSI installer for Windows is now available
- New default key bindings Alt+Home, Alt+End, Alt+PageUp and Alt+PageDown
- Dynamic title support on Windows
- Ability to specify starting position with the
--position
flag - New configuration field
window.position
allows specifying the starting position - Added the ability to change the selection color
- Text will reflow instead of truncating when resizing Alacritty
- Underline text and change cursor when hovering over URLs with required modifiers pressed
Changed
- Clicking on non-alphabetical characters in front of URLs will no longer open them
- Command keybindings on Windows will no longer open new cmd.exe console windows
- On macOS, automatic graphics switching has been temporarily disabled due to a macos bug
Fixed
- Fix panic which could occur when quitting Alacritty on Windows if using the Conpty backend
- Automatic copying of selection to clipboard when mouse is released outside of Alacritty
- Scrollback history live reload only working when shrinking lines
- Crash when decreasing scrollback history in config while scrolled in history
- Resetting the terminal while in the alt screen will no longer disable scrollback
- Cursor jumping around when leaving alt screen while not in the alt screen
- Text lingering around when resetting while scrolled up in the history
- Terminfo support for extended capabilities
- Allow mouse presses and beginning of mouse selection in padding
- Windows: Conpty backend could close immediately on startup in certain situations
- FreeBSD: SpawnNewInstance will now open new instances in the shell's current
working directory as long as linprocfs(5) is mounted on
/compat/linux/proc
- Fix lingering Alacritty window after child process has exited
- Growing the terminal while scrolled up will no longer move the content down
- Support for alternate keyboard layouts on macOS
- Slow startup time on some X11 systems
- The AltGr key no longer sends escapes (like Alt)
- Fixes increase/decrease font-size keybindings on international keyboards
- On Wayland, the
--title
flag will set the Window title now - Parsing issues with URLs starting in the first or ending in the last column
- URLs stopping at double-width characters
- Fix
start_maximized
option on X11 - Error when parsing URLs ending with Unicode outside of the ascii range
- On Windows, focusing a Window will no longer start a selection
Version 0.2.9
Changed
- Accept fonts which are smaller in width or height than a single pixel
Fixed
- Incorrect font spacing after moving Alacritty between displays
Version 0.2.8
Added
- Window class on Wayland is set to
Alacritty
by default - Log file location is stored in the
ALACRITTY_LOG
environment variable - Close button has been added to the error/warning messages
Changed
- Improve scrolling accuracy with devices sending fractional updates (like touchpads)
scrolling.multiplier
now affects normal scrolling with touchpads- Error/Warning bar doesn't overwrite the terminal anymore
- Full error/warning messages are displayed
- Config error messages are automatically removed when the config is fixed
- Scroll history on Shift+PgUp/PgDown when scrollback history is available
Fixed
- Resolved off-by-one issue with erasing characters in the last column
- Excessive polling every 100ms with
live_config_reload
enabled - Unicode characters at the beginning of URLs are now properly ignored
- Remove error message when reloading an empty config
- Allow disabling URL launching by setting the value of
mouse.url.launcher
toNone
- Corrected the
window.decorations
config documentation for macOS - Fix IME position on HiDPI displays
- URLs not opening while terminal is scrolled
- Reliably remove log file when Alacritty is closed and persistent logging is disabled
- Remove selections when clearing the screen partially (scrolling horizontally in less)
- Crash/Freeze when shrinking the font size too far
- Documentation of the
--dimensions
flag have been updated to display the correct default
Removed
clear
doesn't remove error/warning messages anymore
Version 0.2.7
Fixed
- Crash when trying to start Alacritty on Windows
Version 0.2.6
Added
- New
alt_send_esc
option for controlling if alt key should send escape sequences
Changed
- All options in the configuration file are now optional
Removed
- Windows and macOS configuration files (
alacritty.yml
is now platform independent)
Fixed
- Replaced
Command
withSuper
in the Linux and Windows config documentation - Prevent semantic and line selection from starting with the right or middle mouse button
- Prevent Alacritty from crashing when started on a system without any free space
- Resolve issue with high CPU usage after moving Alacritty between displays
- Characters will no longer be deleted when using ncurses with the hard tab optimization
- Crash on non-linux operating systems when using the
SpawnNewInstance
action
Version 0.2.5
Added
- New configuration field
visual_bell.color
allows changing the visual bell color - Crashes on Windows are now also reported with a popup in addition to stderr
- Windows: New configuration field
enable_experimental_conpty_backend
which enables support for the Pseudoconsole API (ConPTY) added in Windows 10 October 2018 (1809) update - New mouse and key action
SpawnNewInstance
for launching another instance of Alacritty
Changed
- Log messages are now consistent in style, and some have been removed
- Windows configuration location has been moved from %USERPROFILE%\alacritty.yml to %APPDATA%\alacritty\alacritty.yml
- Windows default shell is now PowerShell instead of cmd
- URL schemes have been limited to http, https, mailto, news, file, git, ssh and ftp
Fixed
- Fix color issue in ncurses programs by updating terminfo pairs from 0x10000 to 0x7FFF
- Fix panic after quitting Alacritty on macOS
- Tabs are no longer replaced by spaces when copying them to the clipboard
- Alt modifier is no longer sent separately from the modified key
- Various Windows issues, like color support and performance, through the new ConPTY
- Fixed rendering non default mouse cursors in terminal mouse mode (linux)
- Fix the
Copy
mouse_bindings
action (#1963) - URLs are only launched when left-clicking
- Removal of extra characters (like
,
) at the end of URLs has been improved - Single quotes (
'
) are removed from URLs when there is no matching opening quote - Precompiled binaries now work with macOS versions before 10.13 (10.11 and above)
Version 0.2.4
Added
- Option for evenly spreading extra padding around the terminal (
window.dynamic_padding
) - Option for maximizing alacritty on start (
window.start_maximized
) - Display notice about errors and warnings inside Alacritty
- Log all messages to both stderr and a log file in the system's temporary directory
- New configuration option
persistent_logging
and CLI flag--persistent-logging
, for keeping the log file after closing Alacritty ClearLogNotice
action for removing the warning and error message- Terminal bells on macOS will now request the user's attention in the window
- Alacritty now requests privacy permissions on macOS
Changed
- Extra padding is not evenly spread around the terminal by default anymore
- When the config file is empty, Alacritty now logs an info instead of an error message
Fixed
- Fixed a bad type conversion which could cause underflow on a window resize
- Alacritty now spawns a login shell on macOS, as with Terminal.app and iTerm2
- Fixed zombie processes sticking around after launching URLs
- Zero-width characters are now properly rendered without progressing the cursor
Version 0.2.3
Fixed
- Mouse cursor alignment issues and truncated last line caused by incorrect padding calculations
Version 0.2.2
Added
- Add support for Windows
- Add terminfo capabilities advertising support for changing the window title
- Allow using scancodes in the key_bindings section
- When
mouse.url.launcher
is set, clicking on URLs will now open them with the specified program - New
mouse.url.modifiers
option to specify keyboard modifiers for opening URLs on click - Binaries for macOS, Windows and Debian-based systems are now published with GitHub releases
- The keys F16-F24 have been added as options for key bindings
- DEB file adds Alacritty as option to
update-alternatives --config x-terminal-emulator
Changed
- The
colors.cursor.text
andcolors.cursor.cursor
fields are optional now - Moved
cursor_style
tocursor.style
- Moved
unfocused_hollow_cursor
tocursor.unfocused_hollow
- Moved
hide_cursor_when_typing
tomouse.hide_when_typing
- Mouse bindings now ignore additional modifiers
- Extra padding is now spread evenly around the terminal grid
- DEB file installs to
usr/bin
instead ofusr/local/bin
Removed
- The
custom_cursor_colors
config field was deleted, remove thecolors.cursor.*
options to achieve the same behavior as setting it tofalse
- The
scale_with_dpi
configuration value has been removed, on Linux the env variableWINIT_HIDPI_FACTOR=1
can be set instead to disable DPI scaling
Fixed
- Fixed erroneous results when using the
indexed_colors
config option - Fixed rendering cursors other than rectangular with the RustType backend
- Selection memory leak and glitches in the alternate screen buffer
- Invalid default configuration on macOS and Linux
- Middle mouse pasting if mouse mode is enabled
- Selections now properly update as you scroll the scrollback buffer while selecting
- NUL character at the end of window titles
- DPI Scaling when moving windows across monitors
- On macOS, issues with Command-[KEY] and Control-Tab keybindings have been fixed
- Incorrect number of columns/lines when using the
window.dimensions
option - On Wayland, windows will no longer be spawned outside of the visible region
- Resizing of windows without decorations
- On Wayland, key repetition works again
- On macOS, Alacritty will now use the integrated GPU again when available
- On Linux, the
WINIT_HIDPI_FACTOR
environment variable can be set from the config now
Version 0.2.1
Added
- Implement the
hidden
escape sequence (echo -e "\e[8mTEST"
) - Add support for macOS systemwide dark mode
- Set the environment variable
COLORTERM="truecolor"
to advertise 24-bit color support - On macOS, there are two new values for the config option
window.decorations
:transparent
- This makes the title bar transparent and allows the viewport to extend to the top of the window.buttonless
- Similar to transparent but also removed the buttons.
- Add support for changing the colors from 16 to 256 in the
indexed_colors
config section - Add
save_to_clipboard
configuration option for copying selected text to the system clipboard - New terminfo entry,
alacritty-direct
, that advertises 24-bit color support - Add support for CSI sequences Cursor Next Line (
\e[nE
) and Cursor Previous Line (\e[nF
)
Changed
- Inverse/Selection color is now modelled after XTerm/VTE instead of URxvt to improve consistency
- First click on unfocused Alacritty windows is no longer ignored on platforms other than macOS
- Reduce memory usage significantly by only initializing part of the scrollback buffer at startup
- The
alacritty
terminfo entry no longer requires thexterm
definition to be present on the system - The default
TERM
value is no longer static; thealacritty
entry is used if available, otherwise thexterm-256color
entry is used instead
Removed
- The terminfo entry
alacritty-256color
. It is replaced by thealacritty
entry (which also advertises 256 colors)
Fixed
- Rendering now occurs without the terminal locked which improves performance
- Clear screen properly before rendering of content to prevent various graphical glitches
- Fix build failure on 32-bit systems
- Windows started as unfocused now show the hollow cursor if the setting is enabled
- Empty lines in selections are now properly copied to the clipboard
- Selection start point lagging behind initial cursor position
- Rendering of selections which start above the visible area and end below it
Deprecated
- The config option
window.decorations
should now usefull
ornone
instead oftrue
orfalse
, respectively.
Security
- Bracketed paste mode now filters escape sequences beginning with \x1b
Version 0.2.0
Added
- Add a scrollback history buffer (10_000 lines by default)
- CHANGELOG has been added for documenting relevant user-facing changes
- Add
ClearHistory
key binding action and theErase Saved Lines
control sequence - When growing the window height, Alacritty will now try to load additional lines out of the scrollback history
- Support the dim foreground color (
echo -e '\033[2mDimmed Text'
) - Add support for the LCD-V pixel mode (vertical screens)
- Pressing enter on the numpad should now insert a newline
- The mouse bindings now support keyboard modifiers (shift/ctrl/alt/super)
- Add support for the bright foreground color
- Support for setting foreground, background colors in one escape sequence
Changed
- Multiple key/mouse bindings for a single key will now all be executed instead of picking one and ignoring the rest
- Improve text scrolling performance (affects applications like
yes
, not scrolling the history)
Fixed
- Clear the visible region when the RIS escape sequence (
echo -ne '\033c'
) is received - Prevent logger from crashing Alacritty when stdout/stderr is not available
- Fix a crash when sending the IL escape sequence with a large number of lines