It doesn't seem to be resolved and I observed the same on v7.1.
ptmx is mounted 0000 root:root and fstab is empty.
devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,mode=600,ptmxmode=000)
devpts on /dev/ptmx type devpts (rw,nosuid,noexec,relatime,mode=600,ptmxmode=000)
devpts on...