if so toggle thier visibility then use [haschanged[]] in the advanced search tab to see the visibility tiddlers that were changed. Export those tiddlers set to "hide" as a json file. May as well set them to show and export them as another file.
Then before you upload drop the hide json and import them. When editing drop the show json on the wiki. If you look for making bookmarklettes you can even have a book mark trigger this.
Of course you could set a lot more settings this way.
Regards
Tony