Click PrtSc and expect the spectacle dialog to open to offer choice of type of screenshot and when to take the image. Reproducible: Always Steps to Reproduce: 1. Click PrtSc on keyboard 2. 3. Actual Results: Screenshot is taken without any dialog controlling the application to offer choice of type and delay. Expected Results: Expect spectacle dialog box to open with options for delay and whether whole screen or rectangular regions etc. Version spectacle 15.12.0-1 Spectacle can be opened from the K menu but this does not seem to happen if the PrtSc button is pressed.
Apparently this has been happening with a few people - you need to delete ~/.config/khotkeysrc and then relogin.
Thank you Boudhayan - yes deleting ~/.config/khotkeysrc does fix this. It seems to be a leftover of KDE4 configs that is not cleaned up after updating to plasma. Presumably starting a clean new user will not generate this issue - and perhaps for anyone who did not use the kprintscreen hotkey in KDE4 this might not arise. I will mark this bug as closed with "wontfix". It would still be useful for users to know this issue has a simply resolution.