5.0.2057
I had an issue where pasting items from Clipboard History wasn't working, even though I had granted Accessibility permissions to Alfred 5 and rebooted several times. I had to go into SysPrefs, remove Alfred and then re-add him to get it working.
This is likely a macOS bug, but it would be nice if Alfred checked his own permissions upon launch and notified the user if they're not correctly set. Hammerspoon as an example handles this nicely, providing a "green dot" when all is good: