[mpyne]

They never did, if anything it's the opposite in that I think there are now APIs that can make this possible.

With TiddlyWiki you had to essentially File -> Save As and save the HTML back over itself. There were other ways too but they were all workarounds to the issue that browsers don't allow direct access.

[davidhbolton]

They did back around 2008. I used Wiki on a stick - see https://stickwiki.sourceforge.net/which was kind of neat) but after a few years, Chrome etc stopped letting it save itself.