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Libghostty 1.0
libghostty-vt 1.0 is here. libghostty is a portable, high-performance C library for terminal emulation, extracted directly from the core of Ghostty. The 1.0 release means both the library itself and the C ABI are now stable.
Mitchell Hashimoto
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Visit mitchellh.com → RSS feedOn Hacker News Jan 2014 – Nov 2026
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2
Everyone should know SIMD
SIMD has a reputation for being complex. I've met many very good software engineers who dismiss it as something too complex to learn or a niche optimization meant for only the highest-performance software, not useful in everyday programming.
3
Finding and fixing Ghostty's largest memory leak
A few months ago, users started reporting that Ghostty was consuming absurd amounts of memory, with one user reporting 37 GB after 10 days of uptime. Today, I'm happy to say the fix has been found and merged . This post is an overview of what caused the leak, a look at some of Ghostty's internals, and some brief…
4
Zig builds are getting faster
Andrew Kelley famously (or infamously, depending on your views) said "the compiler is too damn slow, that's why we have bugs." 1
5
Comparing Filesystem Performance in Virtual Machines
For years, the primary bottleneck for virtual machine based development environments with Vagrant has been filesystem performance. CPU differences are minimal and barely noticeable, and RAM only becomes an issue when many virtual machines are active.