Oliver is dealing with Achilles and calf injuries. and is considered week-to-week, Weston Hodkiewicz of the Packers' official site reports.
Oliver must miss at least the first four games of the regular season on injured reserve before he is eligible to return to the Packers' active roster. This minimum timeframe appears to align well with the linebacker's injury, and the 2025 fifth-rounder should return from IR and suit up shortly after the four-game period ends.