- 2.3.0 02 May 2026
- Revise PreviewCode’s Settings pane UI.
- Add advanced settings UI.
- Minimise file data loading during thumbnailing.
- Remove legacy UI.
- BREAKING Minimum macOS version is now macOS 12 Monterey.
- 2.2.6 17 April 2026
- Fix font-size slider control’s colouring.
- Update dependencies.
- 2.2.5 30 March 2026
- Add DITA topic (
.dita) and map (.ditamap) file support. - Add support for the
public.tomlUTI (for.cfgfiles). - Add support for the
com.microsoft.iniUTI (for.inifiles). - Add support for the
org.iso.sqlUTI (for.sqlfiles). - Fix rendering of
.oplthumbnails.
- Add DITA topic (
- 2.2.4 24 March 2026
- Update to
HighlighterSwift3.0.2. - Migrate to Swift Concurrency.
- Correctly disable tab switching when sending feedback.
- Fix truncation of feedback text to prevent loss of styling.
- Fix issue with warning on feedback character-limit exceeded.
- Update to
- 2.2.3 12 December 2025
- Add
.lisas a Basic file extension for we Amstrad NC100 users. - Add
.tplas an OPL file extension for Psion users. - Fix for macOS 26.1 deciding thumbnails should match mode.
- Fix handling of Psion
.oplfiles with embedded binary data. - Fix the link to online help.
- Fix the main window name in the Window menu.
- Preparation work for advanced settings.
- Add
- 2.2.2 27 September 2025
- Update Settings UI for macOS 26.
- 2.2.1 19 September 2025
- Add macOS 26 icon.
- Add macOS 26 menu items.
- Mitigate macOS 26 NSSlider changes.
- Apply button correctly highlights on theme change.
- 2.2.0 13 September 2025
- Expand size of preview window.
- Migrate of line-numbering code to
HighlighterSwift2.0.0. - Update settings icon.
- Add 3x images for hi-res displays.
- 2.1.0 6 September 2025
- Add
.opland.opa(Psion Organizer Programming Language) file support.
- Add
- 2.0.1 1 September 2025
- Textual corrections.
- 2.0.0 1 September 2025
- Implement new PreviewApps UI.
- Add optional line numbers to the output.
- Add a small whitespace margin around previews.
- Update the design of the What’s New panel.
- Remove unused legacy code.
- Reorganise project codebase and constants.
- 1.3.7 1 August 2025
- Add
.xlf(XML Localization Interchange File Format) file support. - Add
.tmx(Translation Memory eXchange) file support.
- Add
- 1.3.6 25 July 2025
- Add
.xmp(Extensible Metadata Platform) file support. - Add
.dop(DxO PhotoLab sidecar) file support. - Add
.strings(Apple Xcode strings) file suppport. - Make feedback size more clear with oversize screen flash and character count.
- Update code highlighter.
- Codebase re-org phase I.
- Add
- 1.3.5 20 April 2025
- Support macOS 15’s new
org.lua(Lua),org.tug(LaTex, Tex),org.clojure(Clojure) language UTIs. - Get
.confback from PreviewText. - Remove links to deprecated PreviewText and PreviewYaml.
- Support macOS 15’s new
- 1.3.4 14 September 2024
- Improve preference change handling.
- Update highlighting code.
- 1.3.3 13 May 2024
- Revise thumbnailer to improve memory utilization and efficiency.
- 1.3.2 15 November 2023
- Add the
com.microsoft.typescriptUTI. - Fix missing What’s New dialog.
- Fix What’s New dialog ‘white flash’ in dark mode.
- Add the
- 1.3.1 14 August 2023
- Non-shipping release: repo/code reorganisation.
- 1.3.0 31 May 2023
- Support automatic dark/light theme application by macOS UI mode.
- Add line spacing control.
- 1.2.7 31 March 2023
- Support
.elmElm files. - Stop PreviewCode attempting to preview
.scptbinary applescript files. - Under-the-hood improvements
- Support
- 1.2.6 18 March 2023
- Allow text to be selected in previews.
- Support
.gmlGML (GameMaker Language) files. - Support
.vueVue.js files. - Support
.entitlements,.xib,.storyboardXcode files. - Update to use HighlighterSwift 1.1.1.
- 1.2.5 21 January 2023
- Add link to PreviewText.
- Better menu handling when panels are visible.
- Better app exit management.
- 1.2.4 14 December 2022
- Add
com.microsoft.c-sharpUTI. - Support makefiles.
- Add
- 1.2.3 2 October 2022
- Add link to PreviewJson.
- 1.2.2 26 August 2022
- Add
public.lua-scriptUTI. - Support XML
.plistfiles. - Initial support for non-utf8 source code file encodings.
- Add
- 1.2.1 7 August 2022
- Support the
.csC# extension. - Fix ARM assembly file display.
- Fix operation of Preferences’ font style popup.
- Support the
- 1.2.0 26 April 2022
- Update to use HighlighterSwift 1.1.0.
- Support environment
.envfiles. - Support CMake
.cmakefiles. - Support Terraform variable
.tfvarsfiles. - Support AsciiDoc
.adoc,.asciidocand.ascfiles. - Support
.conf,.cf,.cfg,.iniand.rcconfig files - Fix Haskell
.hslextension. - Fix x86
.nasmpreview. - Change ActionScript supported extension to
.actionscriptto avoid clash with AppleSingle.as. - Remove Lisp
.cl— clash with OpenCL source. - Remove Lisp
.l— clash with Lex source. - Remove F#
.fs— clash with OpenGL Fragment Shader source. - Remove Dylan
.dylanand.lidextensions.
- 1.1.1 19 November 2021
- Support HashiCorp Terraform
.tffiles. - Disable file-type thumbnail tags under macOS 12 Monterey to avoid clash with system-added tags.
- Support HashiCorp Terraform
- 1.1.0 28 July 2021
- Improved font selection code.
- Separate font style selection.
- Accelerate loading of the Preferences panel, especially on Intel Macs.
- Code streamlining.
- Fixed a rare bug in the previewer error reporting code.
- Apple wants links to other apps to be App Store links. So be it. What Apple wants, Apple gets.
- 1.0.0 16 June 2021
- Initial public release.