So the fix landed in Zesty some 20 days ago. And I can confirm that it works. I tested two Qt5 programs (VLC and KeePassXC) on LiveCD and shortcuts worked.
What about SRU for Xenial and Yakkety? -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to qtbase-opensource-src in Ubuntu. https://bugs.launchpad.net/bugs/1380702 Title: No keyboards shortcuts in QT apps Status in appmenu-qt5: In Progress Status in Canonical System Image: In Progress Status in sni-qt: New Status in qtbase-opensource-src package in Ubuntu: Fix Released Status in qtbase-opensource-src source package in Xenial: Confirmed Status in qtbase-opensource-src source package in Yakkety: Confirmed Bug description: In some apps built using QT4 & 5, menu shortcuts are greyed out and inoperant. Only alt and FKeys-based shortcuts work. Others, notably ctrl+c for copying, do not. This is quite serious ; mail me for more details. To manage notifications about this bug go to: https://bugs.launchpad.net/appmenu-qt5/+bug/1380702/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
