median trellis
Currently, F3 coords give 5 decimal points of precision for the y-axis, 3dp for the x and z axes, and 1dp for Pitch and Yaw (facing angles). I suggest this be a customizable number of decimal places incorporated into the Coordinates Mod.
It will be useful for players in the parkour community (that I am a part of) who often require coordinates of greater precision than F3 currently offers. Although it would be used by a small niche of the community, I know it would be appreciated and wouldn't be that hard to implement.
This screenshot taken using a separate mod that allows for this feature to get the point across.
cold swan
grave knoll
gray parcel