The Remote Control server subcommand is a significant architectural addition. Previous versions only supported basic remote-control connections — the new server mode enables persistent multi-session hosting with session lifecycle management, making it suitable for team environments and CI/CD integrations. Both --spawn-same-dir-sessions (default) and --spawn-worktree-sessions require the server subcommand; attempting to use them with the base remote-control command will produce an error.

The memory system overhaul changes the recommended format for memory files. While existing plain-text memories will likely continue to work, adopting the new frontmatter format (name, description, type fields) is recommended for better relevance matching in future conversations.