






From:
GitHub Changelog
Subject:
⚡
GitHub Changelog: Copilot Workspace, Actions Matrix Scaler & Security Overview v3
Aug 2026 • Official GitHub Update
GitHub Changelog • GitHub Copilot Workspace GA, Actions runner scale sets, Advanced Security secret scanning & Codespaces prebuilds.
Changelog
Releases
Documentation
Explore
FEATURED RELEASE • AUGUST 2026
Supercharge Your Development with GitHub Copilot Workspace
Transform natural language specifications into fully tested, production-ready pull requests directly inside GitHub
with general availability of Copilot Workspace and advanced Actions matrix scaling.
# GitHub Actions: Scale Sets with Ephemeral Runners
name
:
Scale-CI-Pipeline
on
: [pull_request]
jobs
:
build
:
runs-on
:
ubuntu-latest-4core-ephemeral
steps
:
-
uses
:
actions/checkout@v4
-
run
:
npm ci && npm test
4.5x
FASTER PR ITERATIONS
99.99%
ACTIONS UPTIME
100M+
GLOBAL DEVELOPERS
Read Full Changelog →
Latest Product Updates & Features
New capabilities across GitHub Copilot, Actions, Advanced Security, and Codespaces.
ENTERPRISE RELEASE NOTES
GitHub Enterprise Server 3.16 Released
Upgrade to the latest enterprise release featuring enhanced audit logs, fine-grained personal access tokens, and compliance
dashboard metrics.
VIEW RELEASE NOTES
Developer Resources & Documentation
API reference guides, security advisories, and community tutorials.
📚
GitHub REST API v4
Explore updated GraphQL endpoints for automated
repository management.
Read API Docs →
🔒
Security Advisories
Stay informed on CVE patches and dependency
vulnerability alerts.
View Advisories →
🎓
GitHub Skills
Interactive hands-
on learning
courses for Git,
Actions, and
Copilot.
Start Learning
→
GitHub Global Developer Platform
GitHub Blog
•
Changelog
•
Support
•
Privacy
•
Terms
•
Unsubscribe
GitHub, Inc. • 88 Colin P Kelly Jr St, San Francisco, CA 94107 USA
This message was sent to developer@company.com regarding your GitHub Changelog subscription.
Legal Information:
© 2026 GitHub, Inc. All rights reserved. GitHub, Octocat, GitHub Copilot, GitHub Actions, and Codespaces are registered trademarks or trademarks of GitHub, Inc.
GitHub
CHANGELOG
🤖
GitHub Copilot
Copilot Workspace General Availability
Plan, write, test, and debug code changes naturally from an issue description
with AI-assisted architecture blueprints.
Explore Copilot Workspace →
⚡
GitHub Actions
Ephemeral Runner Scale Sets
Auto-scale your CI/CD pipelines instantly with secure, ephemeral runner sets
on Kubernetes and cloud infrastructure.
View Actions Scale Sets →
🛡️
Advanced Security
Custom Secret Scanning Patterns
Define custom regular expressions and proprietary token patterns to prevent
internal credential leaks before commit.
Configure Secret Scanning →
💻
GitHub Codespaces
Instant Prebuilds & 64-Core Machines
Launch heavy cloud development environments instantly with pre-cached
dependencies and robust 64-core compute options.
Explore Codespaces Prebuilds →
GitHub
CHANGELOG