Mitchell Hashimoto

A new proposal, OSC 7501, outlines a terminal escape sequence protocol that would let command-line programs report structured status information to the terminal. The idea, published by engineer Mitchell Hashimoto, has drawn attention among developers on Hacker News, where readers are debating how terminals and CLI tools could exchange progress and status data more cleanly than with ad-hoc output parsing.

Mitchell Hashimoto has published a proposal for OSC 7501, a new terminal escape sequence protocol that would let programs report status information like progress and running state directly to the terminal. The write-up explains the design and motivation, and developers are discussing the idea on forums like Lobsters, debating how terminals and command-line tools should communicate program state.

Mitchell Hashimoto has published a proposal for OSC 7501, a new terminal escape sequence protocol designed to let command-line programs report structured status information to terminals. The piece, shared widely on developer forums, is drawing discussion about how terminals and programs could exchange progress, state and status updates in a standardized way rather than through ad hoc conventions.

The Ghostty terminal emulator has not released a new version since March, according to its GitHub tags page. The observation is being discussed on Hacker News, where users are questioning whether development has slowed or stalled. Ghostty is an open-source terminal created by Mitchell Hashimoto, and any gap in releases tends to draw attention from its developer community.

Discussion is growing around Ghostty, the terminal emulator created by Mitchell Hashimoto, after users noticed no new tagged releases since March 2025. On GitHub's release tags page, the last published version still dates from early spring, leading developers to wonder whether the project is slowing down, in a long development phase, or shifting to a different release model.