Sure, selection keys can be set in Preferences/Appearance.

The C is for case sensitive string recognition.

Select “More options” and check your settings for the Auto Correct file - trigger immediately option should be disabled by default so the correction will only happen after typing the ending character (space, enter, comma etc.).

This feature was introduced in version 5.09. You cannot do this with the old version.

It works for me, maybe check the settings.

I'm not sure I understand. To set more complex shortcuts you can
- select a three dots button to open the Advanced shortcut settings
- double click on a shortcut control - here you can set any shortcut according to AutoHotkey syntax.

This is intentional. If the column value to blank, the selection value is used instead. Also the column content is trimmed. We can discuss if this design is good or not.

I'm not sure what you are trying to do with the dates though.

There is no such option.

Double and long click shortcuts are currently only available in Shortcuts module.

Thanks. Double and long click shortcuts are currently only available in Shortcuts module.
We'll try to update this in the next release.

It should work by simulating the keystrokes, just like in the video.
https://www.youtube.com/watch?v=5qyXid49Pqs

Move the caret to the field using the Tabs and then send
{Ctrl Down}A{Ctrl Up}
to select the contents and then
{Delete}
to delete it.