Hoppers can't input into a Storage Drawer that is full, even though it has a Void Upgrade installed.
Manually input into the same Storage Drawer with Void Upgrade works.

Hopper issue persisted when inputting directly into a Storage Drawer 1x1, a Storage Drawer 1x2, a Storage Drawer 2x2 (full and half-size variants), a Compacting Drawer, the Drawer Controller and the Controller Slave.

Installed file Storage Drawers-1.21-fabric-13.8.5.jar

Tried running Storage Drawers only on a new vanilla instance. Issue Persisted.

Other mods installed when first noticing the issue:

• Sodium 0.5.11
• Nvidium 0.3.1
• Indium 1.0.35
• Continuity 3.0.0
• Xaero's Minimap 24.6.1
• Jade 15.8.3
• Bobby 5.2.4
• Mouse Tweaks 2.26