With Sitecore 10, Sitecore has introduced Sitecore Headless Services (the artist formerly known as JSS Server Components) as a new means to do Sitecore development in a decoupled fashion.
Sitecore 10.0 made its way into the world a few weeks back and while it wasn’t a dramatic user-facing major release, it was a huge release for Sitecore becoming more cloud-native and looking ahead to the future of the Sitecore development experience.
I’m pretty sure the rule is that if you went Googling for an issue and the link that you found the answer on was already purple, you have to blog about it for posterity.
Apache Solr is based on the Java technology stack which comes with its own methods for handling certificates, specifically with the JKS (Java Key Store) file type which holds encrypted certificates for use with Java-based applications.