We are close to releasing the v.2.2 Bitcoin 2 Core wallets. They are going through final testing. Most likely to be released on 20th of August 2019. This will be a mandatory upgrade.
Are you able to give better instructions regarding how to upgrade the wallet for Ubuntu?
"How to update the Bitcoin 2 Core Wallet?
Just download the newest .zip/tar.gz file and copy the executable files in the bin folder to replace the ones you had installed already."
When I try to start the new bitcoin2-qt I get the message: Could not display "bitcoin2-qt"
There is no application installed for "shared library" files.
Do you want to search for an application to open this file?