Zbrush 2022.0.8 [updated] -

: Some users have reported issues where tools appear as flat squares instead of 3D objects, often resolved by ensuring the software is in "Edit" mode (shortcut T ).

Note: ZBrush 2022.0.8 does NOT require a separate license key from earlier 2022 builds. The same Maxon One or ZBrush perpetual license works. zbrush 2022.0.8