Development of TiddlyWiki 5 in the GitHub repo at https://github.com/TiddlyWiki/TiddlyWiki5 uses two branches:

• master contains the latest version of the code, and is deployed to https://tiddlywiki.com/prerelease
• tiddlywiki-com contains the latest version of the documentation, and is deployed to https://tiddlywiki.com/, built by the latest released version of TiddlyWiki

When preparing pull requests it is important to target the correct branch.