Mitchell Hashimoto @mitchellh
Working on a new terminal: Ghostty. 👻 Prev: founded @HashiCorp. Created Vagrant, Terraform, Vault, and others. Vision Jet Pilot. 👨✈️ mitchellh.com Los Angeles, CA Joined January 2008-
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Claude Code 2.0 now supports the progress bar sequence. If you use Ghostty on macOS you'll see it. I'm not sure what operation exactly triggers it yet, but I've heard many reports of people seeing it and I was able to briefly see it myself as shown in the video!
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Good example why Zig comptime is so good. This function in Ghostty creates an enum type that is C ABI compatible when we're building a C lib, but otherwise takes up the smallest possible backing integer size for Zig. Supports removing fields and preserving ABI compatibility.
Surprise! I made a surprise return for the 10th anniversary HashiConf. Even most of the employees didn’t know. It was really fun to see everyone and congrats on all the announcements.
Surprise! I made a surprise return for the 10th anniversary HashiConf. Even most of the employees didn’t know. It was really fun to see everyone and congrats on all the announcements.
Good luck everyone. Still cheering you on from the sideline. 🫡
This reverse engineering work led its way to a fix in Chrome (subsequently Electron), with credit given back to me! Very cool to see, and happy to help the macOS ecosystem. I hope macOS fixes this huge issue soon. chromium-review.googlesource.com/c/chromium/src…
This reverse engineering work led its way to a fix in Chrome (subsequently Electron), with credit given back to me! Very cool to see, and happy to help the macOS ecosystem. I hope macOS fixes this huge issue soon. chromium-review.googlesource.com/c/chromium/src… https://t.co/7Metxq7ASz
Libghostty is coming. 👻 The first library will be libghostty-vt: a zero-dependency (not even libc!) library that provides an API for parsing terminal sequences and maintaining terminal state, extracted directly from Ghostty's real-world proven core. mitchellh.com/writing/libgho…
Wow, Network Link Conditioner (official Apple developer tool) could use some UI love. Functionally still works great though and its still provided for Xcode 26.
The challenges for encouraging and supporting native app development are entirely tractable. But it’s just so obvious how much more investment has gone into the web platform. There’s opportunity here.
Look, say what you will about it, but right click editing a PHP file in an FTP client with upload-on-save is still the tightest and fastest feedback loop I've ever had in my life. We actually don't know how to do this anymore as an industry.
I can't believe we used to just raw dog code changes without CI (when I started my career, this was the norm, I'm old enough to remember unfortunately). The Ghostty CI catches things constantly that we'd never be able to reasonably manually or locally find.
Based on the past few years of experience, this is the minimum hardware list for desktop app dev: - Multiple monitors of differing DPIs and refresh rates - Multiple keyboards with differing physical layouts - Mouse with both precision/non-precision scrolling - Trackpad that…
The bell emoji in the title for macOS will be fixed in 1.2.1 (this was a regression). I also got `bell-features = border` working (default off), which was a tiny enough change I'll also be backporting it into 1.2.1. I really like the border bell though, I've had it on on Linux…
Let's go! Omarchy 3 has official support for Ghostty with the flip of a switch.
The cool thing is almost every case of making something agent friendly also makes things more developer friendly, too. This is why I'm not a fan of MCP, it speaks only to machines. Better CLI tooling, output formatting, docs helps both machines and humans.
The cool thing is almost every case of making something agent friendly also makes things more developer friendly, too. This is why I'm not a fan of MCP, it speaks only to machines. Better CLI tooling, output formatting, docs helps both machines and humans.
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