When you are modifying JIRA issue via edit issue screen or transition screen, hitting ESC (escape) keys aborts this.
This can cause trouble when you are making lots of changes on a issue.
Is there any way to prevent this happening? Please advise.
Esc is not something that is configured and provided by JIRA as part of its key strokes, it’s the browsers global key stroke that stops from executing its current action.
If you really want to trap escape key you need to write custom scripts to trap and handle esc key pressed event.
On JIRA key strokes
I'm not sure if you can disable individual keystrokes but here is the guide for disabling keystrokes
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