alacritty/CHANGELOG.md

Changelog

All notable changes to Alacritty are documented in this file. The sections should follow the order Packaging, Added, Changed, Fixed and Removed.

The format is based on Keep a Changelog.

0.13.0-dev

Fixed

• Character ; inside the URI in OSC 8 sequence breaking the URI
• Selection on last line not updating correctly on resize

0.12.0

Added

• Uppercase -T short form for --title
• Support for horizontal scrolling in mouse mode and alternative scrolling modes
• Support for fractional scaling on Wayland with wp-fractional-scale protocol
• Support for running on GLES context
• Touchscreen input for click/scroll/select/zoom
• window.resize_increments config option, disabled by default

Changed

• Always use sRGB color space on macOS
• Erase in line after the last column will no longer clear the last column
• Open new windows by default with macOS Cmd+N binding
• The hint about window transparency is now properly issued on Wayland and macOS
• window.decorations_theme_variant could now control theme on macOS and Windows
• The IME purpose is now set to Terminal which could help with OSK
• window.decorations_theme_variant is now using Dark, Light, and None values
• Resize increments are now set on macOS and X11 to resize by cell sizes

Fixed

• --help output for --class does not match man pages
• Cursor and underlines always being black on very old hardware
• Crash when using very low negative font.offset
• Startup failure on macOS with default config when system /bin/sh is dash
• Artifacts in corners for maximized window with CSD on Wayland
• Dotted underline not shown on macOS
• Underline on macOS always being at the bottom of the cell
• Crash with OT-SVG fonts on Linux/BSD
• Crash during text compose on old GNOME under Wayland
• Mouse cursor staying hidden after window regains focus on macOS Ventura
• Blurry fonts when changing padding size at runtime
• Crash while typing on Wayland
• Multi-line semantic bracket selection
• Reduced GPU memory usage
• Low frame rate when multiple windows render at the same time
• Redraw hanging until a keypress on X11 in rare cases
• Window clipping when maximizing a window without decorations on Windows
• Quadrants not aligned with half blocks with built-in font
• EOT (\x03) escaping bracketed paste mode
• Drag & Drop not working for the search bar
• Simple-fullscreened window not resized when moving between monitors on macOS

Removed

• window.gtk_theme_variant config field; use window.decorations_theme_variant instead
• alt_send_esc is now always set to true

0.11.0

Packaging

• Minimum Rust version has been bumped to 1.60.0

0.11.0

Packaging

• Minimum Rust version has been bumped to 1.57.0
• Renamed io.alacritty.Alacritty.appdata.xml to org.alacritty.Alacritty.appdata.xml
• Renamed io.alacritty to org.alacritty for Alacritty.app

Added

• Track and report surface damage information to Wayland compositors
• Escape sequence for undercurl, dotted and dashed underlines (CSI 4 : [3-5] m)
• ToggleMaximized key binding action to (un-)maximize the active window, not bound by default
• Support for OpenGL ES 2.0
• Escape sequence to set underline color (CSI 58 : 2 : Ps : Ps : Ps m/CSI 58 : 5 : Ps m)
• Escape sequence to reset underline color (CSI 59 m)
• Vi mode keybinding (z) to center view around vi mode cursor
• Accept hexadecimal values starting with 0x for --embed
• Config option cursor.blink_timeout to timeout cursor blinking after inactivity
• Escape sequence to set hyperlinks (OSC 8 ; params ; URI ST)
• Config hints.enabled.hyperlinks for hyperlink escape sequence hint highlight
• window.decorations_theme_variant to control both Wayland CSD and GTK theme variant on X11
• Support for inline input method

Changed

• No longer renders to macos and x11 windows that are fully occluded / not directly visible
• The --help output was reworked with a new colorful syntax
• OSC 52 is now disabled on unfocused windows
• SpawnNewInstance no longer inherits initial --command
• Blinking cursor will timeout after 5 seconds by default
• Deprecated colors.search.bar, use colors.footer_bar instead
• On macOS, Alacritty now reads AppleFontSmoothing from user defaults to control font smoothing
• Warn when either columns or lines is non-zero, but not both
• Client side decorations should have proper text rendering now on Wayland
• Config option window.gtk_theme_variant, you should use window.decorations_theme_variant instead
• --class now sets both class part of WM_CLASS property and instance
• --class's general and instance options were swapped
• Search bar is now respecting cursor thickness
• On X11 the IME popup window is stuck at the bottom of the window due to Xlib limitations
• IME no longer works in Vi mode when moving around

Fixed

• Creating the IPC socket failing if WAYLAND_DISPLAY contains an absolute path
• Crash when resetting the terminal while in vi mode
• font.glyph_offset not live reloading
• Failure when running on 10-bit color system
• The colors being slightly different when using srgb displays on macOS
• Vi cursor blinking not reset when navigating in search
• Scrolling and middle-clicking modifying the primary selection
• Bottom gap for certain builtin box drawing characters
• Incorrect built-in glyphs for U+2567 and U+2568
• Character mappings in the DEC special graphics character set (line drawing)
• Window flickering on resize on Wayland
• Unnecessary config reload when using /dev/null as a config file
• Windows Open Alacritty Here on root of drive displaying error
• On macOS, font.use_thin_strokes did not work since Big Sur
• On macOS, trying to load a disabled font would crash
• On macOS, Alacritty sessions did not appear in the list of tty sessions for w and who
• Cursor not hiding on GNOME Wayland
• Font having different scale factor after monitor powering off/on on X11
• Viewport not updating after opening a new tabbed window on macOS
• Terminal not exiting sometimes after closing all windows on macOS
• CPU usage spikes due to mouse movements for unfocused windows on X11/Windows
• First window on macOS not tabbed with system prefer tabs setting
• Window being treaten as focused by default on Wayland

Removed

• font.use_thin_strokes config field; to use thin strokes on macOS, set AppleFontSmoothing to 0 with $ defaults write -g AppleFontSmoothing -int 0

0.10.1

Added

• Option font.builtin_box_drawing to disable the built-in font for drawing box characters

Changed

• Builtin font thickness is now based on cell width instead of underline thickness

Fixed

• OSC 4 not handling ?
• ? in OSC strings reporting default colors instead of modified ones
• OSC 104 not clearing colors when second parameter is empty
• Builtin font lines not contiguous when font.offset is used
• font.glyph_offset is no longer applied on builtin font
• Buili-in font arcs alignment
• Repeated permission prompts on M1 macs
• Colors being slightly off when using colors.transparent_background_colors

0.10.0

Packaging

• New extra/alacritty-msg.man manpage for the alacritty msg subcommand
• Minimum Rust version has been bumped to 1.53.0

Added

• Option colors.transparent_background_colors to allow applying opacity to all background colors
• Support for running multiple windows from a single Alacritty instance (see docs/features.md)
• Urgency support on Wayland via xdg_activation_v1

Changed

• ExpandSelection is now a configurable mouse binding action
• Config option background_opacity, you should use window.opacity instead
• Reload configuration files when their symbolic link is replaced
• Strip trailing whitespaces when yanking from a block selection
• Display area keeps history position when viewport is cleared
• Commands spawn from the current directory of the foreground shell in Unix-like systems
• Remove trailing newline from strings taken from hints or simple/semantic selections
• Builtin font is now used for box drawing characters from U+2500 to U+259f
• Logs now print the time since startup instead of the local time

Fixed

• Line indicator obstructing vi mode cursor when scrolled into history
• Vi mode search starting in the line below the vi cursor
• Invisible cursor with matching foreground/background colors
• Crash when hovering over a match emptied by post-processing
• Crash when the vi cursor is on the scrollback and viewport clear is invoked
• Freeze when the vi cursor is on the scrollback and scrollback clear is invoked
• Vi cursor on topmost of the display moving downward when scrolled into history with active output
• Input lag on Wayland with Nvidia binary driver
• Crash when hovering the mouse over fullwidth characters
• Do not create logfile if the file already exists

Removed

• Wayland client side decorations were simplified

0.9.0

Packaging

• Minimum Rust version has been bumped to 1.46.0

Added

• Support for ipfs/ipns URLs
• Mode field for regex hint bindings

Fixed

• Regression in rendering performance with dense grids since 0.6.0
• Crash/Freezes with partially visible fullwidth characters due to alt screen resize
• Incorrect vi cursor position after invoking ScrollPage* action
• Slow PTY read performance with extremely dense grids
• Crash when resizing during vi mode
• Unintentional text selection range change after leaving vi mode
• Deadlock on Windows during high frequency output
• Search without vi mode not starting at the correct location when scrolled into history
• Crash when starting a vi mode search from the bottommost line
• Original scroll position not restored after canceling search
• Clipboard copy skipping non-empty cells when encountering an interrupted tab character
• Vi mode cursor moving downward when scrolled in history with active output
• Crash when moving fullwidth characters off the side of the terminal in insert mode
• Broken bitmap font rendering with FreeType 2.11+
• Crash with non-utf8 font paths on Linux
• Newly installed fonts not rendering until Alacritty restart

0.8.0

Packaging

• Minimum Rust version has been bumped to 1.45.0

Packaging

• Updated shell completions
• Added ARM executable to prebuilt macOS binaries

Added

• IME composition preview not appearing on Windows
• Synchronized terminal updates using DCS = 1 s ST/DCS = 2 s ST
• Regex terminal hints (see features.md)
• macOS keybinding (cmd+alt+H) hiding all windows other than Alacritty
• Support for magnet URLs

Changed

• The vi mode cursor is now created in the top-left if the terminal cursor is invisible
• Focused search match will use cell instead of match colors for CellForeground/CellBackground
• URL highlighting has moved from mouse.url to the hints config section

Fixed

• Alacritty failing to start on X11 with invalid DPI reported by XRandr
• Text selected after search without any match
• Incorrect vi cursor position after leaving search
• Clicking on URLs on Windows incorrectly opens File Explorer
• Incorrect underline cursor thickness on wide cell
• Viewport moving around when resizing while scrolled into history
• Block cursor not expanding across fullwidth characters when on the right side of it
• Overwriting fullwidth characters only clearing one of the involved cells

Removed

• Config field visual_bell, you should use bell instead

0.7.2

Packaging

• Updated shell completions

Fixed

• Crash due to assertion failure on 32-bit architectures
• Segmentation fault on shutdown with Wayland
• Incorrect estimated DPR with Wayland
• Consecutive clipboard stores dropped on Wayland until the application is refocused

0.7.1

Fixed

• Jumping between matches in backward vi search

0.7.0

Added

• Support for ~/ at the beginning of configuration file imports
• New cursor.style.blinking option to set the default blinking state
• New cursor.blink_interval option to configure the blinking frequency
• Support for cursor blinking escapes (CSI ? 12 h, CSI ? 12 l and CSI Ps SP q)
• IME support on Windows
• Urgency support on Windows
• Customizable keybindings for search
• History for search mode, bound to ^P/^N/Up/Down by default
• Default binding to cancel search on Ctrl+C
• History position indicator for search and vi mode

Changed

• Nonexistent config imports are ignored instead of raising an error
• Value for disabling logging with config.log_level is Off instead of None
• Missing glyph symbols are no longer drawn for zerowidth characters

Fixed

• Wide characters sometimes being cut off
• Preserve vi mode across terminal reset
• Escapes CSI Ps b and CSI Ps Z with large parameters locking up Alacritty
• Dimming colors which use the indexed CSI 38 : 5 : Ps m notation
• Slow rendering performance with a lot of cells with underline/strikeout attributes
• Performance of scrolling regions with offset from the bottom
• Extra mouse buttons are no longer ignored on Wayland
• Numpad arrow keys are now properly recognized on Wayland
• Compilation when targetting aarch64-apple-darwin
• Window not being completely opaque on Windows
• Window being always on top during alt-tab on Windows
• Cursor position not reported to apps when mouse is moved with button held outside of window
• No live config update when starting Alacritty with a broken configuration file
• PTY not drained to the end with the --hold flag enabled
• High CPU usage on BSD with live config reload enabled
• Alacritty not discarding invalid escape sequences starting with ESC
• Crash due to clipboard not being properly released on Wayland
• Shadow artifacts when resizing transparent windows on macOS
• Missing glyph symbols not being rendered for missing glyphs on macOS and Windows
• Underline cursor being obscured by underline
• Cursor not being rendered with a lot of unicode glyphs visible
• IME input swallowed after triggering a key binding
• Crash on Wayland due to non-standard fontconfig configuration
• Search without vi mode not jumping properly between all matches

Removed

• The following CLI arguments have been removed in favor of the --option flag:
  • --persistent-logging
  • --live-config-reload
  • --no-live-config-reload
  • --dimensions
  • --position
• live-shader-reload feature
• Config option dynamic_title, you should use window.dynamic_title instead
• Config option scrolling.faux_multiplier, which was replaced by escape CSI ? 1007 h/l
• WinPTY support on Windows

0.6.0

Packaging

• Minimum Rust version has been bumped to 1.43.0
• The snapcraft.yaml file has been removed
• Updated setab/setaf capabilities in alacritty-direct to use colons
• WinPTY is now enabled only when targeting MSVC
• Deprecated the WinPTY backend feature, disabling it by default

Added

• Secondary device attributes escape (CSI > 0 c)
• Support for colon separated SGR 38/48
• New Ctrl+C binding to cancel search and leave vi mode
• Escapes for double underlines (CSI 4 : 2 m) and underline reset (CSI 4 : 0 m)
• Configuration file option for sourcing other files (import)
• CLI parameter --option/-o to override any configuration field
• Escape sequences to report text area size in pixels (CSI 14 t) and in characters (CSI 18 t)
• Support for single line terminals dimensions
• Right clicking on Wayland's client side decorations will show application menu
• Escape sequences to enable and disable window urgency hints (CSI ? 1042 h, CSI ? 1042 l)

Changed

• Cursors are now inverted when their fixed color is similar to the cell's background
• Use the working directory of the terminal foreground process, instead of the shell's working directory, for SpawnNewInstance action
• Fallback to normal underline for unsupported underline types in CSI 4 : ? m escapes
• The user's background color is now used as the foreground for the render timer
• Use yellow/red from the config for error and warning messages instead of fixed colors
• Existing CLI parameters are now passed to instances spawned using SpawnNewInstance
• Wayland's Client side decorations now use the search bar colors
• Reduce memory usage by up to at least 30% with a full scrollback buffer
• The number of zerowidth characters per cell is no longer limited to 5
• SpawnNewInstance is now using the working directory of the terminal foreground process on macOS

Fixed

• Incorrect window location with negative window.position config options
• Slow rendering performance with HiDPI displays, especially on macOS
• Keys swallowed during search when pressing them right before releasing backspace
• Crash when a wrapped line is rotated into the last line
• Selection wrapping to the top when selecting below the error/warning bar
• Pasting into clients only supporting UTF8_STRING mime type on Wayland
• Crash when copying/pasting with neither pointer nor keyboard focus on Wayland
• Crash due to fd leak on Wayland
• IME window position with fullwidth characters in the search bar
• Selection expanding over 2 characters when scrolled in history with fullwidth characters in use
• Selection scrolling not starting when mouse is over the message bar
• Incorrect text width calculation in message bar when the message contains multibyte characters
• Remapped caps lock to escape not triggering escape bindings on Wayland
• Crash when setting overly long title on Wayland
• Switching in and out of various window states, like Fullscreen, not persisting window size on Wayland
• Crash when providing 0 for XCURSOR_SIZE on Wayland
• Gap between window and server side decorations on KWIN Wayland
• Wayland's client side decorations not working after tty switch
• Fullscreen startup mode not working on Wayland
• Window not being rescaled when changing DPR of the current monitor on Wayland
• Crash in some cases when pointer isn't presented upon startup on Wayland
• IME not working on Wayland
• Crash on startup on GNOME since its 3.37.90 version on Wayland
• Touchpad scrolling scrolled less than it should on macOS/Wayland on scaled outputs
• Incorrect modifiers at startup on X11
• Add and Subtract keys are now named NumpadAdd and NumpadSubtract respectively
• Feature checking when cross compiling between different operating systems
• Crash when writing to the clipboard fails on Wayland
• Crash with large negative font.offset.x/y
• Visual bell getting stuck on the first frame
• Zerowidth characters in the last column of the line

0.5.0

Packaging

• Minimum Rust version has been bumped to 1.41.0
• Prebuilt Linux binaries have been removed
• Added manpage, terminfo, and completions to macOS application bundle
• On Linux/BSD the build will fail without Fontconfig installed, instead of building it from source
• Minimum FreeType version has been bumped to 2.8 on Linux/BSD

Added

• Default Command+N keybinding for SpawnNewInstance on macOS
• Vi mode for regex search, copying text, and opening links
• CopySelection action which copies into selection buffer on Linux/BSD
• Option cursor.thickness to set terminal cursor thickness
• Font fallback on Windows
• Support for Fontconfig embolden and matrix options
• Opt-out compilation flag winpty to disable WinPTY support
• Scrolling during selection when mouse is at top/bottom of window
• Expanding existing selections using single, double and triple click with the right mouse button
• Support for gopher and gemini URLs
• Unicode 13 support
• Option to run command on bell which can be set in bell.command
• Fallback to program specified in $SHELL variable on Linux/BSD if it is present
• Ability to make selections while search is active

Changed

• Block cursor is no longer inverted at the start/end of a selection
• Preserve selection on non-LMB or mouse mode clicks
• Wayland client side decorations are now based on config colorscheme
• Low resolution window decoration icon on Windows
• Mouse bindings for additional buttons need to be specified as a number not a string
• Don't hide cursor on modifier press with mouse.hide_when_typing enabled
• Shift + Backspace now sends ^? instead of ^H
• Default color scheme is now Tomorrow Night with the bright colors of Tomorrow Night Bright
• Set IUTF8 termios flag for improved UTF8 input support
• Dragging files into terminal now adds a space after each path
• Default binding replacement conditions
• Adjusted selection clearing granularity to more accurately match content
• To use the cell's text color for selection with a modified background, the color.selection.text variable must now be set to CellForeground instead of omitting it
• URLs are no longer highlighted without a clearly delimited scheme
• Renamed config option visual_bell to bell
• Moved config option dynamic_title to window.dynamic_title
• When searching without vi mode, matches are only selected once search is cancelled

Fixed

• Selection not cleared when switching between main and alt grid
• Freeze when application is invisible on Wayland
• Paste from some apps on Wayland
• Slow startup with Nvidia binary drivers on some X11 systems
• Display not scrolling when printing new lines while scrolled in history
• Regression in font rendering on macOS
• Scroll down escape (CSI Ps T) incorrectly pulling lines from history
• Dim escape (CSI 2 m) support for truecolor text
• Incorrectly deleted lines when increasing width with a prompt wrapped using spaces
• Documentation for class in --help missing information on setting general class
• Linewrap tracking when switching between primary and alternate screen buffer
• Preservation of the alternate screen's saved cursor when swapping to primary screen and back
• Reflow of cursor during resize
• Cursor color escape ignored when its color is set to inverted in the config
• Fontconfig's autohint and hinting options being ignored
• Ingoring of default FreeType properties
• Alacritty crashing at startup when the configured font does not exist
• Font size rounding error
• Opening URLs while search is active

Removed

• Environment variable RUST_LOG for selecting the log level
• Deprecated window.start_maximized config field
• Deprecated render_timer config field
• Deprecated persistent_logging config field

0.4.3

Fixed

• Tabstops not being reset with reset
• Fallback to LC_CTYPE=UTF-8 on macOS without valid system locale
• Resize lag on launch under some X11 wms
• Increased input latency due to vsync behavior on X11
• Emoji colors blending with terminal background
• Fix escapes prematurely terminated by terminators in unicode glyphs
• Incorrect location when clicking inside an unfocused window on macOS
• Startup mode Maximized on Windows
• Crash when writing a fullwidth character in the last column with auto-wrap mode disabled
• Crashing at startup on Windows

0.4.2

Packaging

• Minimum Rust version has been bumped to 1.37.0
• Added Rust features x11 and wayland to pick backends, with both enabled by default
• Capitalized the Alacritty.desktop file

Added

• Live config reload for window.title

Changed

• Pressing additional modifiers for mouse bindings will no longer trigger them
• Renamed WINIT_HIDPI_FACTOR environment variable to WINIT_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 now false
• Mirror OSC query terminators instead of always using BEL
• Increased Beam, Underline, and Hollow Block cursors' line widths
• Dynamic title is not disabled anymore when window.title is set in config

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 to false
• Inconsistent fontconfig fallback
• Handling of OpenType variable fonts
• Expansion of block-selection on partially selected full-width glyphs
• Minimize action only works with decorations on macOS
• Window permanently vanishing after hiding on macOS
• Handling of URLs with single quotes
• Parser reset between DCS escapes
• Parser stopping at unknown DEC private modes/SGR character attributes
• Block selection appending duplicate newlines when last column is selected
• Bitmap fonts being a bit smaller than they should be in some cases
• Config reload creating alternate screen history instead of updating scrollback
• Crash on Wayland compositors supporting wl_seat version 7+
• Message bar not hiding after fixing wrong color value in config
• Tabstops cleared on resize
• Tabstops not breaking across lines
• Crash when parsing DCS escape with more than 16 parameters
• Ignoring of slow touchpad scrolling
• Selection invisible when starting above viewport and ending below it
• Clipboard not working after TTY switch on Wayland
• Crash when pasting non UTF-8 string advertised as UTF-8 string on Wayland
• Incorrect modifiers tracking on X11 and macOS, leading to 'sticky' modifiers
• Crash when starting on Windows with missing dark mode support
• Variables XCURSOR_THEME and XCURSOR_SIZE ignored on Wayland
• Low resolution mouse cursor and decorations on HiDPI Wayland outputs
• Decorations visible when in fullscreen on Wayland
• Window size not persisted correctly after fullscreening on macOS
• Crash on startup with some locales on X11
• Shrinking terminal height in alt screen deleting primary screen content

Removed

• Config option auto_scroll, which is now always disabled
• Config option tabspaces, which is now fixed at 8

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 for WINIT_HIDPI_FACTOR, to ignore Xft.dpi and scale based on screen dimensions
• Minimize key binding action, bound to cmd + 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 with winpty_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 wrong Ps
• 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 and scrolling.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 and window.class
• Config option working_directory
• Config group debug with the options debug.log_level, debug.print_events and debug.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 now startup_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 and persistent_logging to the debug 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 at extra/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 to None
• 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

Fixed

• Replaced Command with Super 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

Removed

• Windows and macOS configuration files (alacritty.yml is now platform independent)

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 and colors.cursor.cursor fields are optional now
• Moved cursor_style to cursor.style
• Moved unfocused_hollow_cursor to cursor.unfocused_hollow
• Moved hide_cursor_when_typing to mouse.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 of usr/local/bin

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

Removed

• The custom_cursor_colors config field was deleted, remove the colors.cursor.* options to achieve the same behavior as setting it to false
• The scale_with_dpi configuration value has been removed, on Linux the env variable WINIT_HIDPI_FACTOR=1 can be set instead to disable DPI scaling

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 the xterm definition to be present on the system
• The default TERM value is no longer static; the alacritty entry is used if available, otherwise the xterm-256color entry is used instead
• The values true and false for the config option window.decorations have been replaced with full and none

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
• Bracketed paste mode now filters escape sequences beginning with \x1b

Removed

• The terminfo entry alacritty-256color. It is replaced by the alacritty entry (which also advertises 256 colors)

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 the Erase 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