Please read the FAQ before submitting a bug report!

Bug description
Right clicking with the camera in the offhand will cause some issues:

• Filter not applying
• can't quit camera mode by pressing ESC
• Breaking and interacting with blocks not being prevented

Expected behavior
Camera's behavior not differing between both hands

Other mods
Inventorio. If there exists a possibility of it actaully being a third-party problem, I believe it's this mod,