So, Reach, in both Multiplayer and Campaign has been having some really, REALLY bad visual bugs since the start of this season, proof below. Revan Reborn 1's Xbox Halo: The Master Chief Collection clip 146313535. Find your Xbox clips on GamerDVR.com (Multiplayer). Revan Reborn 1's Xbox Halo: The Master Chief Collection clip 146313582. Find your Xbox clips on GamerDVR.com (campaign. Clip is of Nightfall but saw it in The Package too)
Submit a bug ticket if you haven’t already. I’ve been experiencing this as well. Have to wait until a bug fix comes out.
For reporting issues, we recommend heading over to https://aka.ms/HaloSupport for further assistance. Please review the latest known issues and submit a ticket if your issue is not listed.
Thanks!