Will iPadOS 26 update cause performance degradation on iPad Air 3?

Will updating my iPAD Air 3 to iPADOS 26 (from iPADOS 18) result in a performance degradation? Eventually I’ll buy a newer model iPAD but for now I’d rather avoid my air 3 running any slower than it currently does.

[Re-Titled by Moderator]

Original Title: Will updating iPad