Steps to reproduce:
1. Start the creation of a new event
2. Try to edit the title
Actual Results:
You have to click on the pencil icon.
Expected Results:
Clicking in the empty field should enable its edition.
This problem has been solved by pull request https://bitbucket.org/opencast-community/matterhorn/pull-requests/1338/t-mh-11849-improve-keyboard-accessibility/diff which has been merged to develop. I therefore close this issue assuming nobody would want to backport it to 2.3.x.