When your Commons account is renamed, all of your previous uploads and edits in page histories (including deleted edits) are re-attributed to your new name.

Other user data, including preferences, watchlist, and password are also reattributed to your new account. Your old user and user talk pages will normally be moved to the new name at the same time.

Once the rename is complete, you will no longer be able to log in on to your old account as that will no longer be registered to you.

The rename will not affect signatures (~~~~) you have already left.

Those pages will continue to display your signature (including the link to your old username) unless edited manually.

Remember, {{Information}} often contains your old user name as the author and won't change automatically.

Fulfilled, withdrawn, and declined local rename requests before 15 September 2014 are archived on commons: