Research, experiments, and implementation notes filed under github.
GitHub's Package Firewall Adds an Install-Time Gate for npm
GitHub's package firewall can hold back new npm releases, block known malware and vulnerabilities, and flag supply-chain regressions before agents or CI install them.
GitHub AI Scan Expands Pull Request Security Coverage, but It Won't Block Merges
GitHub AI Scan now checks pull request changes in PHP, Bash, Terraform, Dockerfiles, and other gaps in CodeQL coverage, with advisory findings and separate AI-credit billing.
Copilot CLI Local Model Discovery Makes BYOK Less Awkward
GitHub Copilot CLI can now discover supported Ollama models from the model picker, but local model routing still needs clear privacy and capability checks.
Copilot Dynamic Workflows Make Agent Runs More Repeatable
GitHub Copilot dynamic workflows put multi-agent orchestration into reusable code, with limits, checkpoints, and resumable runs.
Copilot Local Sandboxing Makes Agent Permissions Concrete
GitHub Copilot app local sandboxing turns agent permissions into per-project policy, which is the right default shape for developer machines.
GitHub Coverage Rulesets Are Now Scriptable
GitHub added REST API support for code coverage ruleset thresholds, making coverage gates easier to manage across repositories without clicking through settings screens.
GitHub Advanced Security Configurations Can Now Be Enforced
GitHub enterprise administrators can now enforce Advanced Security configurations against both repository and organization owners, closing a practical policy gap for large teams.
GitHub Copilot Auto Gets Cost And Quality Tiers
GitHub Copilot auto model selection now has efficiency, balance, and intelligence tiers, giving teams a practical way to steer cost, latency, and quality without picking a model for...
GitHub Copilot Code Review Gets Closer to Real CI
GitHub Copilot code review now uses broader shell tools and an ensemble of agents in Lite reviews, which makes AI review more useful but also worth treating like...
GitHub Actions Cache Mode Makes CI Caches Less Trusting
GitHub Actions cache-mode is now generally available, giving workflows and jobs explicit read, write, write-only, or no-cache access so teams can reduce cache-poisoning risk.
GitHub Rule Insights Make Repository Governance Easier To See
GitHub's rule insights dashboard is now generally available at repository and organization levels, giving teams a faster way to audit ruleset failures, bypasses, and enforcement trends.
Docker Sandboxes Put CI Agents Behind a Smaller Boundary
Docker's GitHub Agentic Workflows integration gives coding agents a microVM sandbox with a private Docker daemon, making CI automation more useful without handing it the whole runner.
GitHub's License Data Update Makes SBOM Reviews Less Noisy
GitHub is prioritizing registry license metadata in the dependency graph, which should make SBOMs and dependency review checks easier to trust.