If you inherited an OpenSearch deployment and you're now being asked to run agents on it, Q1 2026 has been unusually good news. OpenSearch 3.5 (February) and 3.6 (April) aren't incremental search improvements — they're a clear declaration of intent. "OpenSearch isn't trying to be a better Elasticsearch; it is focused on being the data layer on which AI applications are built." That's from the arti
You have probably seen a file named “go.sum” in almost every Go project you have worked on. You may have even seen it change every time you run “go mod tidy”. But do you actually know what it does? It is one of those files that works silently in the background, and some developers never stop to think about it. The “go.sum” file is one of those files you never really interact with directly, but it