Hacker News Morning Brief - 2026-03-28

Hacker News Morning Brief - 2026-03-28

Welcome to today’s Hacker News morning briefing! Here are the top stories and key discussions from the community.

Other

Go hard on agents, not on your filesystem

Source: Original Article | Score: ▲238 | By: mazieres | Comments: 💬131

This story discusses go hard on agents, not on your filesystem and has generated significant discussion on Hacker News. Key points from the community include technical analysis, related projects, and shared experiences.

Key community insights:

  • AnotherGoodName: Add this to .claude/settings.json: { “sandbox”: { “enabled”: true, “filesystem”: { “allowRead”: [”.”], “denyRead”: [”~/”], “allowWrite”: [”.”], “denyWrite”: [”/”] } } } You can change the read part if…
  • puttycat: I am still amazed that people so easily accepted installing these agents on private machines.We’ve been securing our systems in all ways possible for decades and then one day just said: oh hello unpre…
  • andai: This looks great and seems very well thought out.It looks both more convenient and slightly more secure than my solution, which is that I just give them a separate user.Agents can nuke the “agent” hom…

AMD’s Ryzen 9 9950X3D2 Dual Edition crams 208MB of cache into a single chip

Source: Original Article | Score: ▲112 | By: zdw | Comments: 💬55

This story discusses amd’s ryzen 9 9950x3d2 dual edition crams 208mb of cache into a single chip and has generated significant discussion on Hacker News. Key points from the community include technical analysis, related projects, and shared experiences.

Key community insights:

  • magicalhippo: Probably fun for those who already bought DDR5 memory… still kicking myself for not just pulling the trigger on that 128GB dual stick kit I looked at for $600 back in September. Now it’s listed at $…
  • monster_truck: The extra cache doesn’t do a damn thing (maybe +2%)The lower leakage currents at lower voltages allowed them to implement a far more aggressive clock curve from the factory. That’s where the higher al…
  • chao-: Crazy to think that my first personal computer’s entire storage (was 160MB IIRC?) could fit into the L3 of a single consumer CPU!It’s probably not possible architecturally, but it would be amusing to …

Make macOS consistently bad unironically

Source: Original Article | Score: ▲372 | By: speckx | Comments: 💬253

This story discusses make macos consistently bad unironically and has generated significant discussion on Hacker News. Key points from the community include technical analysis, related projects, and shared experiences.

Key community insights:

  • zackmorris: Not to mention that WindowServer seems to take 100+% cpu since the upgrade. Also I can’t paste filenames in the save file dialog in some apps. And the URL field in Safari is just weird.My computer was…
  • pram: I’m not a fan of the look in Tahoe (especially Apple Music wtf happened there) but most of it I can totally ignore, and don’t even notice anymore. Except for the tabs. I have Sequoia and Tahoe machine…
  • nostromo: Clearing notifications on macOS Tahoe is ridiculously tedious. The “Liquid Glass” button is slow to respond, the notifications hang for a bit before being cleared, and then sometimes you have to jiggl…

The bee that everyone wants to save

Source: Original Article | Score: ▲48 | By: nivethan | Comments: 💬10

This story discusses the bee that everyone wants to save and has generated significant discussion on Hacker News. Key points from the community include technical analysis, related projects, and shared experiences.

Key community insights:

  • MostlyStable: My wife and I had wanted honey bees for a long time, but when we finally moved to a place that we could have had them, we noticed that we regularly saw at least 5 native bee species. We decided not to…
  • nelsondev: Some carpenter bees moved into my roof overhang. Last year it was two, this year it’s closer to 10. I like them, the only problem is they burrow into my house and leave little piles of sawdust behind…
  • skyberrys: My garden is full of fleabane flowers in heaping piles. I wonder if that helps native pollinators or if I am providing flowers for honey bees instead…

LG’s new 1Hz display is the secret behind a new laptop’s battery life

Source: Original Article | Score: ▲200 | By: robotnikman | Comments: 💬95

This story discusses lg’s new 1hz display is the secret behind a new laptop’s battery life and has generated significant discussion on Hacker News. Key points from the community include technical analysis, related projects, and shared experiences.

Key community insights:

  • qnleigh: > That will help save enormous amounts of power: up to 48 percent on a single charge,Why does refresh rate have such a large impact on power consumption? I understand that the control electronics are …
  • jerlam: Haven’t phones, watches and tablets been using low refresh rates to enable battery improvements for a while?The Apple Watch Series 5 (2019) has a refresh rate down to 1Hz.M4 iPad Pro lacks always-on d…
  • serious_angel: > LG’s press release leaves several questions unanswered, including the source of the “Oxide” name…> Source: https://www.pcworld.com/article/3096432 [2026-03-23]---> HKC has announced a new laptop d…

Anatomy of the .claude/ folder

Source: Original Article | Score: ▲451 | By: freedomben | Comments: 💬207

This story discusses anatomy of the .claude/ folder and has generated significant discussion on Hacker News. Key points from the community include technical analysis, related projects, and shared experiences.

Key community insights:

  • dewey: Building your AI agent “toolkit” is becoming the equivalent of the perfect “productivity” setup where you spend your time reading blog posts, watching YouTube videos telling you how to be productive a…
  • exitb: I’m seeing this more and more, where people build this artificial wall you supposedly need to climb to try agentic coding. That’s not the right way to start at all. You should start with a fresh .clau…
  • cloverich: Feel little like this is generated and not based on experience. Claude.md should be short. Typescript strict mode isnt a gotcha, itll figure that out on its own easily, imo omit things like that. Peop…

Nashville library launches Memory Lab for digitizing home movies

Source: Original Article | Score: ▲137 | By: toomuchtodo | Comments: 💬33

This story discusses nashville library launches memory lab for digitizing home movies and has generated significant discussion on Hacker News. Key points from the community include technical analysis, related projects, and shared experiences.

Key community insights:

  • EvanAnderson: I would love to figure out a not-for-profit business model to help people preserve their personal physical and digital records (think Grandma’s iPhone w/ 90GB of photos and videos of the family on it …
  • bitparadox: I’ve started working through a backlog of a few hundred home movie tapes, mostly MiniDV, but a few dozen 8mm and Hi8. Fortunately I have a Digital8 camcorder I’ve been able to use for the analog 8mm t…
  • userbinator: VHS VCRs have been out of production for a decade. It’s worth keeping any you still have, and any that you find being thrown out, even if only for parts. Notably, while the electronics (especially wit…

Velxio 2.0 – Emulate Arduino, ESP32, and Raspberry Pi 3 in the Browser

Source: Original Article | Score: ▲128 | By: dmcrespo | Comments: 💬41

This story discusses velxio 2.0 – emulate arduino, esp32, and raspberry pi 3 in the browser and has generated significant discussion on Hacker News. Key points from the community include technical analysis, related projects, and shared experiences.

Key community insights:

  • dmonterocrespo: Velxio 2.0 is live.A free, open-source emulator for 19 embedded boards: Arduino, ESP32, Raspberry Pi, RISC-V , running real compiled code in your browser.The best part: it’s fully local.No cloud depen…
  • dmcrespo: Hey HN, I posted Velxio here a while back and got great feedback. Since then I’ve shipped a major updateWhat’s new in v2:- 19 boards across 5 CPU architectures (AVR8, Xtensa, RISC-V, ARM Cortex-M0+, A…
  • dmcrespo: Quick update: traffic is still coming in waves, had to scale up compilation workers to keep up with demandThings are more stable now, but still tuning performance under loadIf anyone finds it useful, …

Show HN: Twitch Roulette – Find live streamers who need views the most

Source: Original Article | Score: ▲97 | By: ellg | Comments: 💬48

This story discusses show hn: twitch roulette – find live streamers who need views the most and has generated significant discussion on Hacker News. Key points from the community include technical analysis, related projects, and shared experiences.

Key community insights:

  • john_strinlai: these types of projects are always fun, whether it is the old youtube videos with no views, or the few other twitch ones like this i have seen. thanks for sharing it.it would be great to be able to fi…
  • flowgrammer: Great idea. One of my saddest projects was making a site to help Twitch streamers get sponsorship for playing games. You automatically got picked if your view count was high enough. I saw thousands of…
  • chundicus: What about https://nobody.live/?…

Geopolitics & War

.apks are just .zips; semi-legally hacking software for orphaned hardware [video]

Source: Original Article | Score: ▲22 | By: abadar | Comments: 💬7

This story discusses .apks are just .zips; semi-legally hacking software for orphaned hardware [video] and has generated significant discussion on Hacker News. Key points from the community include technical analysis, related projects, and shared experiences.

Key community insights:

  • JimDabell: The same is true for iPhone apps (.ipa files). You can just unzip them…
  • charcircuit: I’ve found that Claude Code works well at reversing java applications. Even if it is fully obfuscated claude can restore sensible names for everything and understand how it all works and answer questi…

About This Briefing

This daily Hacker News briefing provides a curated summary of the most important stories and discussions from the Hacker News community. Each story is categorized and summarized with key insights from the community comments.

Want to contribute? Share your thoughts on the original articles and join the discussions!

Generated automatically on March 28, 2026 at 7:00 AM UTC