Extra left parenthesis inserted when typing control statements

Since updating to 2026.2 (including .2.1), the following happens:

• Type if
• Wait for the autocomplete popup
• Type (

Instead of if() you'll end up with if(().

This worked correctly in previous versions. Is there some setting that has changed? Disabling “Insert selected suggestion by pressing space, dot, or other context-dependent keys” fixes it, but I want that setting enabled.