On Febuary 28th, tweak developer AeonLucid released the tweak SnapHide2. SnapHide2 is simply a jailbreak tweak meant to allow tweak injection into Snapchat meaning things like dark mode tweaks, keyboard tweaks, etc can be injected into Snapchat.
SnapHide 2 is able to completely block Snapchat’s jailbreak detection. SnapHide2 currently is only compatible with Snapchat v10.65.0.66, v10.75.0.67, and v10.76.5.67.
Get it from: https://aeonlucid.com/cydia/
We here at Apple Terminal advise to try this tweak at your own risk.