In v25.12.0 the code used to create the self-signed certificates was reworked. The resulting certificates work fine in Firefox, but in Chrome-based browsers you get:

This site can’t be reached
The webpage at https://x.x.x.x/ might be temporarily down or it may have moved permanently to a new web address.
ERR_SSL_KEY_USAGE_INCOMPATIBLE

The issue is the missing digitalSignature in keyUsage. Chrome requires digitalSignature if the certificate uses RSA signatures.