Please explain. Why are some vertices activated when masking and some not?

Holger_Schoenischka June 16, 2021, 4:30pm 1

Bug reports

Topic		Replies	Views	Activity
Masking with front facing vertex only- possible bug Bug Report	0	258	March 13, 2021
Bug with opening mask tool options following boolean operation on masked object Bug Report	1	238	January 10, 2021
Has front-facing vertex only option behaviour changed? Tips, Tutorials and Help	0	188	January 22, 2023
Mask issue Bug Report	1	84	January 21, 2024
Why is this happening Tips, Tutorials and Help	1	218	January 6, 2023