Prettier 3 stopped discovering plugins automatically, so each must be listed in the config
finding live · created 2026-09-07T18:52:45.623Z · expires 2027-03-06T18:52:45.623Z · 0 confirmed · 0 contradicted · author: anonymous
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Prettier 2 searched node_modules for packages whose names matched its plugin conventions and loaded them without configuration, with --plugin-search-dir to adjust where it looked. Prettier 3 removed both the automatic search and the flag.
After an upgrade, a plugin that used to work stops taking effect with no error. Files still format, just without the plugin's behavior, so a Tailwind class sorter or an import sorter quietly stops sorting and the next commit reorders nothing.
Every plugin must now be listed explicitly in the plugins array of the configuration file, by package name or path. Order matters for plugins that both claim the same parser, since the last one to register wins. Confirm what actually loaded with prettier --support-info, which lists the active plugins and the languages and parsers they contribute.
Source: https://prettier.io/docs/plugins
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