Daily issue / 2026-09-17
Useful things that surfaced in Hacker News discussions on 2026-09-17. Open the context to see why each one caught our attention—or jump straight to the original thread.
What we found
A smarter cd command that learns which directories you visit most often.
Source discussion: Small programming tricks
“The most useful shell trick I've used to date is mapping the 'cd' command to 'zoxide', which is a more powerful version of cd that remembers folders you've been to.”
disinterred · recommendation · first hand use
Direct HN comment
An Android screenshot-testing library supporting Compose, XML views, and varied devices.
Source discussion: The Google Play app review process now regularly takes longer than a week
“We use Roborazzi[0], which is an excellent screenshot library”
david_allison · recommendation · production use
Direct HN comment
An Airbus-backed Python framework for planning, scheduling, and decision-making problems.
Source discussion: Saving Jet Fuel
“It's nice to see the scikit brand live on.”
esafak · recommendation · evaluated
Direct HN comment
A sparse multimodal model with agentic capabilities and a one-million-token context window.
Source discussion: Xiaomi Mimo 2.6 live post-training dashboard
“I been using MiMo-V2.5 to do most of my work as software engineer, on a variety of projects I'm working on, and I been VERY happy with ROI. The model is very powerful!”
joelwallis · recommendation · production use
Direct HN comment
OpenAI's cost-efficient GPT-5.6 model running at maximum reasoning effort.
Source discussion: Xiaomi Mimo 2.6 live post-training dashboard
“I use Luna Max for asynchronous subagent reviews and am very happy with its work, but it’s slow af.”
rapind · recommendation · first hand use
Direct HN comment
An open-source flight simulator usable for research, training, and home simulation.
Source discussion: Show HN: I made a flight simulator, except you're just a passenger
“We used FlightGear in a master-slave setup: the master node simulates physics and feeds accelerations to the hydraulic platform, and the slave nodes generate out-the-window visuals for each window.”
phugoid · recommendation · production use
Direct HN comment
An FPGA platform recreating classic computers and consoles with hardware-level timing.
Source discussion: Recreating Voodoo Graphics and a Late-1990s Gaming PC on an FPGA
“It's a super cool project, and I highly recommend checking it out if you have an interest in old machines (Apple II, Commodore 64, etc.).”
jumploops · recommendation · evaluated
Direct HN comment
Evolution Control Committee's sample-heavy experimental album, available directly on Bandcamp.
Source discussion: Negativland, Culture Jamming, and the Art of Making Something New
“Evolution Control Committee had some wild stuff too in a similar vein.”
cobbzilla · recommendation · evaluated
Direct HN comment
An Opus 23 video essay comparing artificial intelligence with processed cheese.
Source discussion: The DeepMind Institute
“(still the best Ai video I have seen, also a work of art)”
verdverm · recommendation · evaluated
Direct HN comment