o 2.37.0

• Add support for C#
• Add support for the Battlestar programming language
• Update documentation
• Update dependencies

o 2.36.1

• Improve syntax highlighting of /* */ comments in the middle of a line.
• Bring back support for Go 1.11. (1.16 is recommended, though).
• Improved XML-detection.
• Fix an issue with parsing single-line comment markers.
• Improve shell script syntax highlighting support.
• Syntax highlight pointer arrows in C and C++ (->).
• Some refactoring.
• Update dependencies.

o 2.36.0

• Autocompletion of programming language keywords when pressing Tab.
• Fix an issue where \033[7l would be used instead of \033[?7l for disabling line wrap. Thanks to Tom Szilagyi for the help with this!
• Support for formatting /etc/fstab files with the help of fstabfmt.
• Initial support for Scala.
• Minor changes to the Go syntax highlighting.
• Immediately save the file if SIGTERM is received.
• Recognize that files saved to /usr/bin should normally be executable.
• Improve the JSON detection.
• Show the current file mode when pressing ctrl-g.
• Fix an issue where lines containing -> in C++ would make most of the line appear in gray.
• Minor changes to the --help output.
• Update dependencies.

o 2.35.1

Bugfixes

• Fix an issue where ctrl-s would move the cursor in a non-obvious way and cause problems when inserting text at the end of long lines.

PDF related

• Improve the Markdown to PDF export, using pandoc.
• Respect the PAPERSIZE environment variable.

Themes

• Draw the correct theme immediately when o starts. Don't blink.
• Use the red/black theme by default if the shell path starts with /usr/local/bin (BSD-likes).
• Use the default theme if the executable name is default.

Filetype support

• Add csh shell script detection.
• Add initial Nroff support, for writing man pages.
• View Jupyter Notebook files (.ipynb) as JSON.
• Add support for .te files (SELinux policy files).
• Initial support for the Odin programming language.
• Minor improvements for building Zig sources.
• Format XML and HTML by pressing ctrl-w, with the help of the tidy utility.

Syntax highlighting

• Improve the syntax highlighting for regular text files.
• Add syntax highlighting of comments for HTML and XML.
• Minor improvements to the Go, Kotlin and Shell syntax highlighting.

General improvements

• Switch the CI configuration from Travis CI to GitHub workflows.
• Save the last used command to ~/.cache/o/last_command.sh.
• Improve the help output and the error message if no filename is given.
• Compile with Go 1.16.
• Update documentation.
• Update dependencies.

o 2.35.0

• Make it easy to preview HTML files at the press of ctrl-space by using xdg-open.
• Support for column numbers as a third argument when launching o.
• Fix an issue where the cursor was hidden when moving left on a long line, after having scrolled to the right.
• Fix return key behavior for long lines.
• Fix backspace key behavior when removing indentation.
• Don't move to the start or end of the line when ctrl-s is pressed.
• Fix syntax highlighting for numbered lists in Markdown, and lists where each item spans more than one line.
• Update dependencies.
• Update documentation.

o 2.34.1

• Add support for formatting HTML with ctrl-w if tidy is installed.
• Improve the Ada support.
• Minor improvement for Go syntax highlighting.
• Minor improvement for how Rust executables are built.
• Improved Rust syntax highlighting, including not interpreting #![...(...)] directives as shebangs.
• Save the file before pasting using external utilities like wl-paste.
• Make the portal feature per-user instead of per-system.
• Better support for Zig. Recognize if SDL2 is in use and add -lsdl2, as a special case, only if there is no build.zig file.
• When editing PKGBUILD files and selecting Call Guessica from the command menu, make it possible to undo.
• Also support building Kotlin .kts files with ctrl-space (not just .kt).
• Fix compilation for FreeBSD by using a specific commit of github.com/pkg/term.
• Update dependencies.
• Update documentation.

o 2.34.0

o 2.34.0

• Better support for .c files.
• Recognize mirrorlist files.
• Minor improvements to syntax highlighting for Go.
• Downgrade the term dependency, to make it possible to build the executable for FreeBSD.
• Update documentation.

Thanks to @yurivict for creating the issue that also contains the workaround for term and FreeBSD.

o 2.33.0

• New logo.
• Initial support for Ada.
• Fix a data race.
• Update dependencies.
• Nicer Rust syntax highlighting.
• Also detect Makefile.in as a type of Makefile.
• Press ctrl-space twice to export with pandoc.
• Move guessica to the menu, used when editing PKGBUILD files.
• Drop Vi-compatibility for the very first keypresses after launch (previously G and /).
• Update documentation.
• Smarter filename matching. Can now match PKGBUILD if starting o as o Pk.

o 2.32.6

• Add a logo.
• Fix smart indentation for C++.
• Improve "jump to error" at the press of ctrl-space, for C++ and Go.
• Add support for DOS batch files (.bat).
• Improve syntax highlighting for VimScript, shell scripts, Rust, Go and configuration files.
• Improved support for building Kotlin and Zig.
• If the o executable is renamed to red or light, use a different theme when starting o (this also works for symlinks to o).
• Check if a file starts with # before assuming assembly-style comments.
• Make the behavior for arrow up and arrow down consistent.
• If the shell is csh or ksh (typically FreeBSD or OpenBSD), use the red/black theme by default.
• Make sure to use tabs for Makefiles.
• Improved status bar text placement.
• Various minor changes.

o 2.32.5

• Fix an issue with how lines are drawn.
• Fix the detection of Makefiles.
• Use spaces for most config files.
• Add a simple Makefile for building o.
• Minor changes.