Unreal Quest Builds Crashing After v18 Update?

Hello. So I am tackling a mystery; has anyone run into issues with Unreal builds no longer running on Quest after the latest OS update? Prior to the v18.0 Quest OS update, my projects were running fine on Quest. After the update, any new build I create with Unreal 4.25.1 will not run on Quest. Prior builds install and run fine. I went back to an older archived version of the project from about three weeks ago, tried to build it again, and the new build wouldn't run. However, an archived build did run. It is so confusing. As far as I know, Unreal had not changed. I even went ahead and compiled the Oculus cut of UE 4.25.1 to get the most up-to-date SDK, and those builds won't build either. It is driving me crazy. As far as I know, only the Quest OS changed, but that still doesn't seem to explain why only new builds won't run vs archived older builds. I'll try to bullet point it below. Any help would be, well, helpful. Thanks!

1. Builds created in UE 4.25.1 run fine on Quest.
2. Quest updates to v 18.0
3. Any new builds created in 4.25.1 will not run on Quest. Prior archived builds will still run.
4. Creating new builds from previously working project archives will also not run on Quest.
5. Building from current Oculus cut of 4.25.1 did not solve the issue either.