jQueryのuncompressedとslim（スリムビルド）の違い

Slim build

jQuery Core 3.3.1 – uncompressed, minified, slim, slim minified

jQuery CDNを見ると、「uncompressed, minified, slim, slim minified」とあります。
slimはajax、effectsモジュールを省いたバージョンになります。

Slim build

Sometimes you don’t need ajax, or you prefer to use one of the many standalone libraries that focus on ajax requests. And often it is simpler to use a combination of CSS and class manipulation for all your web animations. Along with the regular version of jQuery that includes the ajax and effects modules, we’ve released a “slim” version that excludes these modules.

jQuery 3.3.1 – fixed dependencies in release tag

違い

どれを使っていいか分からない場合は、minifiedがオススメです。