This week in COSS: CopilotKit raised a $27M Series A, SAP announced plans to acquire both Dremio and Prior Labs, Anaconda acquired Outerbounds, IREN acquired OpenStack champion Mirantis, DeepSeek previewed its V4 model and is reportedly targeting a $45B valuation, OpenObserve closed a $10M Series A, Socket acquired Secure Annex, and Ant Group received Chinese regulatory approval to raise $1.5B . We also feature the following companies in Cossmology: Amical, Brave, Deciso, DeepSource, Entire, Filigran, Inferact, Inth, NativeLink, RadixArk, Seita, and Tangled.…