JetBrains released Mellum2, open-sourcing the weights under the Apache 2.0 license. The first version of Mellum was a completion-focused 4B dense model. Mellum2 is its successor: a general-purpose model specialized in software engineering. It covers code generation and editing, debugging, multi-step reasoning, tool use and function calling, agentic coding, and conversational programming assistance. JetBrains team…

When I reach out to the self-proclaimed “open source baddie” CC for an interview, I’m pretty sure she’s emailing me back from a pink mermaid purse. “I’m just having so much fun,” she tells me about her seashell cyberdeck. “It’s a Tamagotchi. It’s also an e-reader. It’s networked to my vault and my servers, so…