{"id":44864,"date":"2026-06-02T06:37:31","date_gmt":"2026-06-02T03:37:31","guid":{"rendered":"https:\/\/vpesports.com\/minecraft\/mods\/compatlib\/"},"modified":"2026-06-02T06:37:31","modified_gmt":"2026-06-02T03:37:31","slug":"compatlib","status":"publish","type":"mod","link":"https:\/\/vpesports.com\/minecraft\/mods\/compatlib\/","title":{"rendered":"LegacyCompatibilityUtils"},"content":{"rendered":"

# LegacyCompatibilityUtils<\/p>\n

(CompatLib in short) Made most 1.7.2 Forge mods working on 1.7.10, and some 1.8 Forge and LiteLoader mods on 1.8.9.<\/p>\n

This is done by re-add removed classes and srg methods\/fields.<\/p>\n

## Exceptions:
\n1. Coremods with `@MCVersion(“x.x”)`.
\n2. Mods that uses obfuscated (“Notch”) codes like reflection helper or ASM.<\/p>\n

**1.7.10:**<\/p>\n

3. The Mod was using 1.7.2’s player skin related codes.
\n4. See diff.yml for other changes.<\/p>\n

**1.8.9:**<\/p>\n

5. The Mod was using some 1.8’s Forge Registry API related codes.
\n6. See diff.yml for other changes.<\/p>\n

1.7.10 version Requires UniMixins, and 1.8.9 Requires MixinBooter 9.4<\/p>\n

This mod contains following libs:<\/p>\n

A Relocated https:\/\/github.com\/FabricCompatibilityLayers\/CursedMixinExtensions<\/p>\n

(See GitHub for More)<\/p>\n

# Notice<\/p>\n

If anyone is interested at making another runtime deobf remapper or remap mixins to support some other things, feel free to open a topic in Github Discussion.<\/p>\n

Submit an issue on GitHub if you met incompatibilities.
\n1.7.10 on the right and
\n1.8.9 Issue Here.<\/p>\n","protected":false},"excerpt":{"rendered":"

A Mod Compatibility Layer for 1.7.2-1.7.10 Forge and 1.8-1.8.9 Forge\/LiteLoader<\/p>\n","protected":false},"featured_media":44865,"template":"","meta":{"_minecraft_slug":"compatlib","_minecraft_project_id":"4l0D7F0y","_minecraft_author":"HowardZHY","_minecraft_license":"LicenseRef-THE-UNLICENSE-unless-otherwise-stated","_minecraft_downloads":1864,"_minecraft_follows":7,"_minecraft_client_side":"optional","_minecraft_server_side":"optional","_minecraft_storage_type":"zip","_minecraft_archive_name":"compatlib.zip","_minecraft_size_bytes":19463763,"_minecraft_version_count":25,"_minecraft_updated_at":"2026-05-16T02:49:21.429583Z","_minecraft_date_created":"2024-05-28T20:26:42.788669Z","_minecraft_date_modified":"2026-04-09T13:17:24.965094Z","_minecraft_project_url":"https:\/\/modrinth.com\/mod\/compatlib","_minecraft_icon_attachment_id":44865,"_minecraft_imported_at":"2026-06-02T03:37:32+00:00","_minecraft_import_hash":"3fde469e620d06e63bd52dd7b5c0a108","_minecraft_versions":"","_minecraft_links":"","_minecraft_gallery":"","_minecraft_api_metadata":""},"mod_category":[43,104,873,92],"mod_loader":[106],"minecraft_version":[21,31],"class_list":["post-44864","mod","type-mod","status-publish","has-post-thumbnail","hentry","mod_category-cursed","mod_category-forge","mod_category-library","mod_category-utility","mod_loader-forge","minecraft_version-1-7-10","minecraft_version-1-8-9"],"yoast_head":"\nLegacyCompatibilityUtils - 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