Why are shared memory segments leak seen in GNOME session after Red Hat Enterprise Linux 7.6 update?

Issue

• Applications fail with shm errors on RHEL 7.6 .

(gvim:54140): Gdk-WARNING **: 16:31:46.799: shmget failed: error 28 (No space left on device)

• gnome-shell does not release shared memory segments in RHEL 7.6

Cannot create shared memory segment of 2105344 bytes

• shm (shared memory segment) leaks seen in gnome session after RHEL 7.6 update.
• After update to GNOME 3.28.3 (RHEL 7.6), shm's keep on increasing with time.

# ipcs -mp | awk '{ if ($2 == "test" && $3 == 1234) print $_ }' | wc -l
967