Tech News

Show HN: Rmux – A programmable terminal multiplexer with a Playwright-style SDK

Score: 105 | Comments: 51

hackernews May 21, 2026 Read more →

Meta lays off thousands of employees to offset AI investments

Meta has reportedly notified thousands of employees that they've been laid off as the company attempts to compensate for its hefty AI investments. In an email from Meta management shared by Business I

theverge May 21, 2026 Read more →

The physicists who convinced Fermilab to send Brazil's emails

Score: 5 | Comments: 0

hackernews May 21, 2026 Read more →

Artificial egg hatched 26 healthy chickens

Score: 12 | Comments: 10

hackernews May 21, 2026 Read more →

Vivaldi 8.0

Score: 349 | Comments: 231

hackernews May 21, 2026 Read more →

Truecaller gets into the eSIM business to diversify its revenue streams

The company said its plans will range from 1 GB over 7 days to 20 GB over 30 days. Initially, the launch will make the eSIM product available in 29 countries.

techcrunch May 21, 2026 Read more →

General Catalyst just led a $63M bet on India’s travel payments market

Scapia, an Indian startup that combines travel booking with co-branded credit cards and mobile payments, said the deal doubles its valuation.

techcrunch May 21, 2026 Read more →

YAML? That's Norway Problem

Score: 14 | Comments: 6

hackernews May 21, 2026 Read more →

Imperagen raises £5 million to use quantum physics, AI on enzyme engineering

Biotech company Imperagen announced on Thursday a £5 million ($6.7 million) seed round led by PXN Ventures, with participation from IQ Capital and Northern Gritstone.

techcrunch May 21, 2026 Read more →

In SpaceX’s IPO, Elon Musk is the risk factor

The SpaceX IPO is here, and it's more than just an historic public offering that could make Elon Musk the world's first trillionaire. It also reveals more ways in which Elon Musk's companies interact

theverge May 21, 2026 Read more →

Haskell Foundation 2026 Update

Score: 143 | Comments: 50

hackernews May 21, 2026 Read more →

A 3-step agent cost me $4.20. agenttrace showed me the O(n ) tool call hiding in plain sight.

I ran a small agent. Three steps. One web search, one summarize, one cite-check. I had budgeted maybe 12 cents. The bill at the end of the run was $4.20. I knew something was off but the per-call in

dev.to May 21, 2026 Read more →

Beyond WebView: The Next Evolution of Hybrid App Architecture

1. The Hybrid App Journey — What Got Us Here For years, mobile development teams have faced the same trade-off: native applications provide the best performance and user experience, but the

dev.to May 21, 2026 Read more →

Claude returned ```json blocks 14% of the time. Here is the Rust crate I wish I had earlier.

I had a system prompt that ended with: Reply with only a JSON object. Do not include code fences. Do not include explanation. That should be enough. It is not. Over a week of structured-output calls

dev.to May 21, 2026 Read more →

Our retry loop made an outage worse. The circuit breaker stopped the cascade.

A few weeks back there was a 22-minute window where Anthropic returned a high rate of 5xx responses. Not a full outage. Degraded. Our agent service had a retry policy that backed off and tried again

dev.to May 21, 2026 Read more →

I burned my Anthropic org cap and waited 3 days. Then I built llmfleet.

Tuesday afternoon I kicked off a re-grading job. About 18,000 prompts against claude-opus-4-7, eight workers, each one looping messages.create as fast as it could. Forty minutes in, every call starte

dev.to May 21, 2026 Read more →

One Open Source Project a Day (No. 71): CodeGraph — Pre-Index Your Codebase for AI Agents, Save 35% Cost and 70% Tool Calls

Introduction "~35% cheaper · ~70% fewer tool calls · 100% local" This is the No.71 article in the "One Open Source Project a Day" series. Today we are exploring CodeGraph. Start with a

dev.to May 21, 2026 Read more →

The prompt your SDK sends is not the prompt you wrote

A reply from Claude came back nonsense. The system prompt looked fine in my code. The messages looked fine in my logs. So I added a print(messages) right before client.messages.create(...). Still fine

dev.to May 21, 2026 Read more →

I rebuilt my little corner of the internet

Spent the last day redesigning my github + portfolio until they finally started feeling like me instead of another developer template pretending to have personality. dark interfaces. tiny details nob

dev.to May 21, 2026 Read more →

From Years to Hours

It's not a brag for me to say "I've been visualizing infrastructure since 2018" - it's the actual truth. That was the year I joined a lovely Portland-based startup called Stackery, which took infrastr

dev.to May 21, 2026 Read more →