The problem is not there. The short forms are still working.
The problem is just they don’t appear in the auto-completion menu. If i create a box with "t b b" written inside, it will be a trigger. But when I type the t letter in a new object box, auto-completion menu proposes me tab as the first object beginning with the letter t. So when I type "t" + "space" I end up with a "tab" instead of a t. I have to backspace every time I want to use a short form.
Has it always been like this and it’s only me going slightly crazy?
Is anyone experiencing the same problem?
(Thanks for the information, I did not know how to customize short forms!)