Gnome-Tweaks often wakes up "OFF"

[2CV67]

I use Gnome-Tweaks 3.34.0 in Ubuntu 19.10.
I also use 2 Gnome Extensions:
- Dash to Panel
- New Mail Indicator

Often (8 times out of last 20) after a fresh boot or login, I find the Gnome Extensions are "OFF".
The cause is that the ON/OFF button for ALL extensions at the top of the Gnome-Tweaks Extensions window is at "OFF".
Resetting this single button back to "ON" gets the extensions working again OK, until a subsequent boot or login.

My expectation is that Gnome-Tweaks settings should stay the same unless I change them, not reset themselves at boot/login.

I mentioned this problem & was told about the all-extensions button, in this Ubuntu Forum thread, which shows that at least one other user (tea for one) has the problem:
https://ubuntuforums.org/showthread.php?t=2435545&p=13926754#post13926754

ProblemType: Bug
DistroRelease: Ubuntu 19.10
Package: gnome-tweaks 3.34.0-2
ProcVersionSignature: Ubuntu 5.3.0-40.32-generic 5.3.18
Uname: Linux 5.3.0-40-generic x86_64
ApportVersion: 2.20.11-0ubuntu8.4
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Sun Feb 23 14:49:29 2020
InstallationDate: Installed on 2014-10-23 (1948 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
PackageArchitecture: all
SourcePackage: gnome-tweaks
UpgradeStatus: No upgrade log present (probably fresh install)
modified.conffile..etc.default.apport:
 # set this to 0 to disable apport, or to 1 to enable it
 # you can temporarily override this with
 # sudo service apport start force_start=1
 enabled=0
mtime.conffile..etc.default.apport: 2019-11-04T18:03:11.954726