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Developer Tools

OpenSSL 3.5 and post-quantum: what developers actually get

OpenSSL 3.5 is an LTS release with ML-KEM, ML-DSA and SLH-DSA. What it means for upgrades, Linux distributions and checking your own services.

Oct 18, 20263 min read
Developer Tools

OpenFeature explained: one flag API and swappable providers

OpenFeature is an open specification for feature flag evaluation. Learn what providers, evaluation context and hooks are and why they matter for security.

Oct 18, 20263 min read
Developer Tools

OpenAI file search and vector stores: how the tool works

OpenAI's file search tool retrieves from uploaded files held in vector stores. Setup flow, supported file types, result controls and what the docs omit.

Oct 18, 20263 min read
Developer Tools

OpenAI Code Interpreter containers: memory, expiry and files

How OpenAI's Code Interpreter tool uses sandboxed containers: auto versus explicit mode, 1g to 64g memory, the 20 minute expiry and file handling.

Oct 18, 20263 min read
Developer Tools

OpenAI Agents API vs Agents SDK vs Responses API: which runtime

OpenAI describes three runtimes for agents. Who runs the loop in each, how much integration work each needs, and the cleanup steps for separate resources.

Oct 18, 20263 min read
Developer Tools

Open VSX namespaces and the unverified publisher warning

On Open VSX, creating a namespace does not make you a verified owner. See how namespaces, owner rights and the publisher warning work when choosing.

Oct 18, 20263 min read
Developer Tools

How to open an unfamiliar repository in VS Code safely

A short checklist for opening code you did not write in VS Code: stay in Restricted Mode, read the .vscode folder first, then decide whether to trust it.

Oct 18, 20264 min read
Developer Tools

Open redirects: safe patterns for login return URLs

A return URL parameter after login is a common open redirect. Use IDs, local path checks or allowlists, and compare parsed hosts instead of prefixes.

Oct 18, 20263 min read
Developer Tools

One key, one purpose: why key separation matters

OWASP says use each key for only one purpose. What that means for encryption, signing, wrapping and MAC keys, and how to derive purpose-specific keys.

Oct 18, 20263 min read

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