Sometimes addresses may be changed automatically after a software update.
However, the old addresses usually remains active within a certain time-frame to make sure that all pending transactions are successfully executed.
It is recommended to check your current address on your account page regularly and start using your new address once you notice it has changed.
Old addresses will eventually be deactivated. We will notify you via email when that happens.
If your deposit doesn't show up after quite some time, please check out the following article: [Where is my deposit?]