This is a BIP173 native segwit address.
If you unselect the "Generate native segwit (Bech32) address" checkbox in bitcoin-qt, you'll get a P2SH 3xxx address instead. Most senders these days support sending the BIP173 addresses though, which are cheaper for you to use.
The GUI no longer supports creation of legacy 1xxx addresses by default. You can ...
Create a file bitcoin-qt.desktop
Save below content in the file:
Save bitcoin.png in /usr/share/icons
Right click on bitcoin-qt.desktop, go to permissions and allow executing file as program
Double clicking ...