Keyboard "shortcuts" are enabled by default for Atlassian products, and they can be extremely annoying.

Quick way disable keyboard shortcuts for Jira

• Type ? (Question mark)
• Toggle the switch

Another way to enable/disable keyboard shortcuts for Jira

• Open a ticket, for example https://YOURCOMPANY.atlassian.net/browse/FOO-1234
• Click the three dots ... in the top right of the page (or type Ctrl-K) to open the command palette
• Type "keyboard" to search for the keyboard shortcuts page, click it
• Toggle the "Keyboard shortcuts are enabled" switch in the top right

To disable keyboard shortcuts for Confluence

• Go to https://YOURCOMPANY.atlassian.net/wiki/users/viewmysettings.action
• Click Edit
• Uncheck "Keyboard Shortcuts | Enable"