Vaadin Framework 8.12.4
Vaadin Framework 8.12.4 is a maintenance release with the following fixes :
- update to Atmosphere runtime 2.4.30.vaadin3
- Warranty fix: fix the reported NPE cases #12207
- Fix the Invalid Input to ensureAvailabilty (Thanks @BuchienDP for the contribution)
- Fix: Make it possible to add and remove shortcut listener in compatibility TextField
- Clear out ClientCache when UI is detached to prevent a minor memory leak
- Merged column headers should work within declarative Grid.
See 8.12.4 milestone for all changes