Build Node.js Feature Flags: A Service for Deterministic Tenant Toggles

A feature flag service becomes difficult at the moment a toggle starts making an experiment decision. The hard constraint is signal quality: a flag evaluation must tell us which tenant saw which variant, while the event stream must not turn every retry, health check, and malformed request into evidence. TL;DR: keep the toggle path deterministic and small, attach an immutable evaluation event to…

dev.to ·1h ago

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CVE-2026-116578: CVE-2026-116578: Open Redirect in Tornado RedirectHandler via URL Normalization and Template Substitution

CVE-2026-116578: Open Redirect in Tornado RedirectHandler via URL Normalization and Template Substitution Vulnerability ID: CVE-2026-116578 CVSS Score: 2.1 Published: 2026-10-28 Tornado versions prior…

CVE-2026-116578 is an open redirect vulnerability in Tornado.
Affected versions are those lower than 6.6.0.
Upgrade to 6.6.0 or later to mitigate risk.

1h ago ·dev.to

Zillow agrees to pay $212.5M to settle an investor class action over its failed Zillow Offers home-flipping venture, after SCOTUS refused to hear its appeal (Jonathan Stempel/Reuters)

Zillow (ZG.O) said on Wednesday it will pay $212.5 million in cash to settle a class action accusing the online real estate marketplace …

1h ago ·reuters.com

Battered Fish & Chip Co. brings a faithful British chippy experience to REXKL

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How agents and people edit the same page at once: a remote MCP server on Durable Objects and Yjs

Coding agents are good at making things you want to share: a one-page project summary, a dashboard, a slide deck. Sharing is where it gets awkward.

Multiple users can edit same page simultaneously using remote MCP server
Durable Objects and Yjs enable real-time synchronization of edits
Claude.ai integrates via OAuth for secure access to blink artifacts

1h ago ·dev.to

You can now buy your own pair of Android XR smart glasses

XREAL takes the first step

1h ago ·androidpolice.com

What about 630 website checks showed me in the first week, and what they cannot show

I build DeployVet, a free tool that does a website security and bug check from the outside and grades the site A to F. I wanted to share what the numbers look like after the first week, and be clear…

DeployVet conducted 645 security checks on 633 unique websites in its first week of operation.
41% of domains received an A or B grade, while 59% received a C, D, or F grade.

1h ago ·dev.to