Shared-memory threads for JavaScriptCore allow functions to run on separate threads while sharing the same heap and objects, eliminating the need for structured cloning or message passing. This experimental feature is currently not functional.

Parallel coding agents are run using tmux, Markdown files, bash aliases, and six slash commands. A role naming convention is applied per tmux window, designating roles such as Planner for creating specs, Worker for implementation, and PM for backlog management.