Compatibility

Supported MediaWiki versions

MediaWiki	Branch	Notes
1.43 LTS	REL1_43	long-term support
1.45	REL1_45	stable
1.46	REL1_46	current

Use the matching release package. Do not install a 1.46 package on 1.43 or vice versa.

MediaWiki 1.44 is not supported (not an LTS; no separate branch).

Extension support

Chroma changes presentation only; it does not alter extension output. Tested with:

• Cite: <ref>, reference lists, footnotes;
• Math: <math>;
• SyntaxHighlight: code blocks;
• ParserFunctions: #if and friends;
• Poem: <poem>;
• InputBox, CategoryTree;
• login, history, diffs, Preferences;
• VisualEditor / DiscussionTools on the 1.46 test environment.

The 1.46 environment configures 31 Tier 1 extensions; 1.43 and 1.45 each install 30. Not every community extension is verified; report issues with the extension name and version.

Known limitations

• AbuseFilter: the test environment lacks Wikimedia\Equivset, so it is disabled; not a skin issue.
• Math: the local environment uses native MathML; mathml mode requires RESTBase/Mathoid.
• Arbitrary colors: eight presets only.
• Full Material 3: Chroma is an MD3-style token layer plus selected Expressive patterns, not a complete Material 3 component library.
• Automation: there is no per-extension automated suite; the matrix is manual.

Browsers

Current Chrome, Edge, Firefox and Safari; no IE.

Reporting a compatibility issue

Include:

• MediaWiki version;
• Chroma version/branch;
• PHP version;
• extension names and versions;
• the page URL or a screenshot;
• browser console and PHP error-log output.

Open an issue: https://github.com/chroma-mediawiki/mediawiki-skins-Chroma/issues