I read project readme, checked client side and server side configurations, and no such feature exists - YES

Is your feature request related to a problem? Please describe.
Animations played with hand/arm actions in vanilla Minecraft are always visually the same regardless of how far the player is looking up/down, such as swinging a sword, eating, or charging a bow.
In BetterCombat, the first person animations break this convention and create visual problems when in first person, by playing the animations in world space. For example, looking upwards or certain environment conditions on the player can cause animations to misalign with hit/hurtboxes, and should player arms be set to "true" in config, arms frequently and significantly dislocate away from the bottom of the screen.

Describe the solution you'd like
A solution to this could be a config option to fix animations to the camera when in first person. Third person would remain unaffected.

Describe alternatives you've considered
The mod has no way to provide alternatives to this in its current state, as changing animations themselves cannot amend this issue.

Additional context
N/A

This is not a matter of configuration. I am unable to implement the baseline behaviour more correctly.
Feel free to submit improvement PRs.
Duplicate of #354