If you aren't tied strictly to using pure TiddlyWiki you may be interested in NoteSelf(https://noteself.org/ https://noteself.org/), which uses the browser's Lo

If you aren't tied strictly to using pure TiddlyWiki you may be interested in NoteSelf(https://noteself.org/ https://noteself.org/), which uses the browser's LocalStorage via PouchDB. Bonus, this can then be synchronized to any remote couchdb server.