Microsoft is now rolling out the Windows 10 Mobile Build 14393.953 to the production. Windows 10 Build 14393.953 is a cumulative update and it has only bug and improvements. Microsoft is expected to introduce new features with the Windows 10 Creators Update.
Windows 10 Mobile Build 14393.953 is currently being rolled out to Windows Phones running on Windows 10 Anniversary Update. Microsoft is yet to publish the changelog of the cumulative update.
Microsoft has released the cumulative update after a long delay of one month. The update is still rolling out so it may or may not be available on your phone. If you notice any major changes, then please do let us know in the comments below.