There are regular releases of TiddlyWiki with bug fixes and improvements. It's a good idea to keep up to date by regularly upgrading to the latest version.
When upgrading, please remember the The First Rule of Using TiddlyWiki:
You are responsible for looking after your own data; take care to make backups, especially when upgrading the TiddlyWiki core
This process will work on most desktop browsers. Note that none of your personal data leaves your browser with this process.
This will download a file called upgrade.html to your computer. This file is the upgrade of your old file. You may need to open the location where upgrade.html was downloaded, rename upgrade.html with the name of the old file you are upgrading, and replace the old file by moving the new file in its place.
You can also download https://tiddlywiki.com/upgrade.html locally and perform the same drag-and-drop procedure to upgrade your files.
The following error occurs when trying to perform the online upgrade procedure using Firefox:
Error while saving:
Error:NS_ERROR_DOM_BAD_URI: Access to restricted URI denied
The upgrade operation falls foul of a security restriction in Firefox. Until this can be resolved, we suggest either using the offline upgrader, or using Chrome to perform the upgrade:
It is possible for a customisation applied in a previous version to break when upgraded to the latest version. There are two techniques you can use to help track down issues:
You can see which shadow tiddlers have been overridden in the Filter tab of advanced search. Select "Overridden shadow tiddlers" from the dropdown.