I like to share my knowledge not only via Presentations, but also via technical blog posts, or interactive learning material.
Memory leaks are hard to debug, especially when using programming languages with garbage collection. At home24 we had quite a journey searching for the cause of 139 exit codes from crashed docker containers.
GraphQL was created to have stable APIs via strict schemas on a server-side and the more relaxed query/mutate/subscribe methods from the client-side. You might imagine a feeling when schema validation stops working randomly after some requests. And you might imagine that investigation of those kinds of issues are the fun ones.