# Info **URL:** https://forum.glyphsapp.com/c/info/13.md [Latest](https://forum.glyphsapp.com/latest.md) · [Categories](https://forum.glyphsapp.com/categories.md) · [Tags](https://forum.glyphsapp.com/tags.md) --- ## [About the Info category](https://forum.glyphsapp.com/t/about-the-info-category/29577)
**Author:** [@FlorianPircher](https://forum.glyphsapp.com/u/FlorianPircher)\ **Replies:** 0
Announcements and discussions for technical updates and information relevant to Glyphs extension developers. You can follow the latest topics in this category using RSS: http://info.glyphsapp.com/developer/changelog.xm… --- ## [Command-line tool for Glyphs](https://forum.glyphsapp.com/t/command-line-tool-for-glyphs/36022)
**Author:** [@FlorianPircher](https://forum.glyphsapp.com/u/FlorianPircher)\ **Replies:** 78\ **Last updated:** [October 19, 2026, 2:02pm UTC](https://forum.glyphsapp.com/t/command-line-tool-for-glyphs/36022 "2026-10-19T14:02:09Z")
We have a new command-line tool with which you can export Glyphs source files to OpenType fonts. This is what it looks like: Install the tool with pip: python3 -m pip install glyphs-cli Once installed, you can use … --- ## [Updating Python scripts and plug-ins for Glyphs 4](https://forum.glyphsapp.com/t/updating-python-scripts-and-plug-ins-for-glyphs-4/36793)
**Author:** [@FlorianPircher](https://forum.glyphsapp.com/u/FlorianPircher)\ **Replies:** 10\ **Last updated:** [July 28, 2026, 2:21pm UTC](https://forum.glyphsapp.com/t/updating-python-scripts-and-plug-ins-for-glyphs-4/36793 "2026-07-28T14:21:03Z")
Many scripts and plug-ins continue to run in Glyphs 4 just as they did in Glyphs 3. However, some code needs to be updated to work in Glyphs 4 as well. Python version Glyphs 4 supports Python 3.14 and later. Checking t… --- ## [Glyphs File Format Documentation, Version 4](https://forum.glyphsapp.com/t/glyphs-file-format-documentation-version-4/36742)
**Author:** [@FlorianPircher](https://forum.glyphsapp.com/u/FlorianPircher)\ **Replies:** 1\ **Last updated:** [July 19, 2026, 1:31am UTC](https://forum.glyphsapp.com/t/glyphs-file-format-documentation-version-4/36742 "2026-07-19T01:31:19Z")
I have updated the documentation for file format version 4. Additionally, there are a few more details in the docs for older file format versions, too, especially for shape attributes. Glyphs File Format, Version 4 The… --- ## [URL scheme for opening files and presenting glyph layers](https://forum.glyphsapp.com/t/url-scheme-for-opening-files-and-presenting-glyph-layers/36432)
**Author:** [@FlorianPircher](https://forum.glyphsapp.com/u/FlorianPircher)\ **Replies:** 7\ **Last updated:** [June 1, 2026, 2:54pm UTC](https://forum.glyphsapp.com/t/url-scheme-for-opening-files-and-presenting-glyph-layers/36432 "2026-06-01T14:54:30Z")
New in the recently released cutting-edge version Glyphs 3.5 (3526) is an API for opening files in the Glyphs app and adding a tab with a specific list of glyph layers. This is done by opening the URL glyphsapp://show/ … --- ## [Generate layout features/classes/prefixes with a plug-in](https://forum.glyphsapp.com/t/generate-layout-features-classes-prefixes-with-a-plug-in/36393)
**Author:** [@FlorianPircher](https://forum.glyphsapp.com/u/FlorianPircher)\ **Replies:** 0\ **Last updated:** [May 22, 2026, 2:49pm UTC](https://forum.glyphsapp.com/t/generate-layout-features-classes-prefixes-with-a-plug-in/36393 "2026-05-22T14:49:21Z")
New in the recently released cutting-edge version Glyphs 3.5 (3526) is an API for generating custom feature code. In a plug-in, you can now register a feature code generator like so: GSCallbackHandler.addFeatureCodeGen… --- ## [Multiple plugin types in a single bundle](https://forum.glyphsapp.com/t/multiple-plugin-types-in-a-single-bundle/29578)
**Author:** [@FlorianPircher](https://forum.glyphsapp.com/u/FlorianPircher)\ **Replies:** 6\ **Last updated:** [November 14, 2025, 2:34pm UTC](https://forum.glyphsapp.com/t/multiple-plugin-types-in-a-single-bundle/29578 "2025-11-14T14:34:28Z")
Starting with Glyphs 3.2, it is possible to place multiple plugins in a single .glyphsPlugin bundle. Thus far, a bundle could only contain a single type of plugin: .glyphsReporter .glyphsFilter .glyphsPalette .glyphsF… --- ## [Draw in Font View Glyph Cells](https://forum.glyphsapp.com/t/draw-in-font-view-glyph-cells/32292)
**Author:** [@FlorianPircher](https://forum.glyphsapp.com/u/FlorianPircher)\ **Replies:** 9\ **Last updated:** [September 23, 2025, 8:44pm UTC](https://forum.glyphsapp.com/t/draw-in-font-view-glyph-cells/32292 "2025-09-23T20:44:00Z")
As of Glyphs 3.3 (3327), there is now an API for any plugin to draw in the foreground and background of glyph cells in Font View. This allows you to draw additional icons, background colors, or other decoration to indica… --- ## [Glyphs File Format Documentation, Version 3](https://forum.glyphsapp.com/t/glyphs-file-format-documentation-version-3/32621)
**Author:** [@FlorianPircher](https://forum.glyphsapp.com/u/FlorianPircher)\ **Replies:** 0\ **Last updated:** [January 25, 2025, 12:35pm UTC](https://forum.glyphsapp.com/t/glyphs-file-format-documentation-version-3/32621 "2025-01-25T12:35:13Z")
We have recently updated the documentation of the Glyphs file format. This should be of interest to users building custom tooling that reads and processes .glyphs and .glyphspackage files. You can view the file format d… --- ## [Updated Glyphs Packages Documentation](https://forum.glyphsapp.com/t/updated-glyphs-packages-documentation/29988)
**Author:** [@FlorianPircher](https://forum.glyphsapp.com/u/FlorianPircher)\ **Replies:** 0\ **Last updated:** [May 10, 2024, 3:58pm UTC](https://forum.glyphsapp.com/t/updated-glyphs-packages-documentation/29988 "2024-05-10T15:58:44Z")
I’ve updated the documentation in the readme of the main Glyphs packages repository: Let me know if anything is missing or unclear. There are still not many details on defining custom modules. For using a custom pac…