What version(s) of WoW are you using?

Retail

What problem are you experiencing that led to you asking for this feature?

The newly picked up items are not highlighted clearly and the highlight duration is too short.

What solution would you like?

The desired function is to cancel the highlight until the mouse moves over the item, and the highlight effect is very obvious.

Any alternatives you can think of?

No response

Anything else?

No response

The flashing is only intended to last until the bags reopen.

For the "Recent" category you can make the duration longer in the settings:

Does this answer your question?