I just upgraded a bunch of my pi's and got this warning (pardon any typos - I'm retyping this from a screenshot):
"wpasupplicant (2:2.6-19) unstable; urgency=medium
With this release, wpasupplicant no longer responds to the system
default minimum TLS version, defaulting to TLSv1.0, not TLSv1.2. If
you're sure you will never connect to EAP networks requiring anything less
than 1.2, add this to your wpasupplicant configuration:
wpasupplicant also defaults to a security level 1, instead of the system
default 2. Should you need to change that, change this setting in your
Unlike wpasupplicant, hosted still respects system defaults.
-- Andrej Shadura <[email protected]> Sat, 15 Dec 2018 "
>>> DO I need to worry about this?
As a test, I added the following lines to /etc/wpa_supplicant/wpa_supplicant.conf, before the network= block.
And found that wireless wouldn't connect, removed them, and I could connect again.
Assuming that was the correct place and way to change those settings.
NOTE my current version is now:
sudo apt show wpasupplicant