Icons not downloading

[micro1995]

When using any icon, on the next button press, my HomeButton Mini says "Downloading Icons" on the Display, but the Icon is not available afterwards.
When looking at the log I think the problem are the following lines:

[ 3876][E][ssl_client.cpp:37] _handle_error(): [start_ssl_client():273]: (-9984) X509 - Certificate verification failed, e.g. CRL, CA or signature check failed
[ 3879][E][WiFiClientSecure.cpp:144] connect(): start_ssl_client: -9984
[ 3444][E][Download] GET request failed with code -1
[ 3448][W][APP ] icon server NOT reachable

Network is connected, MQTT works, IP Configuration via DHCP.

Is there a problem with the Certificate used in the source code?

[nplan]

It appears to be a problem with the certificate, I'm seeing the same error on my test devices. I'll investigate further...

[nplan]

fixed in v2.4.2