chore(repo): sync from inner source

Sync from github/github-well-architected-internal (main)

Source Repository: github/github-well-architected-internal

Source Branch: main

Source SHA: 305071ee8bc9ffd73431899324b78c91705517b9

Co-authored-by: well-architected-sync-bot[bot] <235114805+well-architected-sync-bot[bot]@users.noreply.github.com>

Author: well-architected-sync-bot[bot]

content/library/overview/release-notes.md

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+<!-- markdownlint-disable MD041 -->
+
+## 2024 Q4
+
+- **General Availability (GA) and Well-Architected MVP Launch** - Transitioned from beta to GA with a fully published structure around the five pillars, including curated examples and illustrations that demonstrate practical implementations
+- **Initial Tooling & Assessment Checklists** - Provided downloadable checklists for customers to self-assess alignment with the framework and gathered early adoption feedback to inform Checklists 2.0
+- **Design Principles and Content Highlights** - Published an in-depth overview of the five pillars (Productivity, Collaboration, Application Security, Governance, and Architecture), co-authored an initial set of design principles with KPMG and our Partner Community, and added a high-level scenario for teams starting with GitHub Enterprise
+- **Early Feedback Incorporations** - Streamlined site layouts and navigation based on beta feedback, and expanded scenario guidance including scaling Git repositories and enforcing GHAS at scale

content/library/overview/release-notes/2024-q4.md

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+
+## 2025 Q1
+
+- **New Content: GitHub Actions Scalability** - Published guidance for scaling GitHub Actions reusability in enterprise environments, including best practices for workflow optimization, action management, and enterprise-wide deployment
+- **New Content: Repository Migration Essentials** - Introduced a generalized repository migration checklist covering pre-planning, testing, execution, and post-migration, designed to serve as a single source of truth across migration approaches
+- **Design Principle Updates** - Expanded real-world examples across pillars, including clearer guidance on pull request best practices, early vulnerability scanning, and multi-region deployment considerations
+- **Checklists 2.0** - Overhauled the assessment checklists to align with recent GitHub product updates and introduced tiers to help teams prioritize actions based on maturity
+- **Fixes & Refinements** - Improved clarity and usability with refinements to pillar content, navigation, homepage layout, and the hosting template for simpler ongoing maintenance

content/library/overview/release-notes/2025-q1.md

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+<!-- markdownlint-disable MD041 -->
+
+## 2025 Q2
+
+- **New Content: Azure DevOps Migration Guide** - Published migration scenarios and playbooks for transitioning from Azure DevOps to GitHub, including phased approaches, feature comparisons, and practical guidance for translating Azure DevOps settings to GitHub equivalents
+- **New Content: Engineering System Success Framework** - Published the Engineering System Success Framework to help organizations evaluate Copilot business value, including design principles, checklists, metrics, implementation phases, anti-patterns, and intervention strategies
+- **Site Improvements** - Introduced a new Copilot Chat Widget that provides interactive assistance for users

content/library/overview/release-notes/2025-q2.md

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+
+## 2025 Q3
+
+- **Update: Repository Management Enhancement** - Updated the "Managing repositories at scale" article with opinionated guidance on adopting rulesets and custom properties to meet business objectives, including actionable strategies for governance at scale
+- **Update: GitHub Actions Policy Updates** - Updated the GitHub Actions recommendations with new policy capabilities and more prescriptive governance and security guidance for managing workflows at scale
+- **New Content: GitHub Copilot Enterprise Administration** - Published an enterprise playbook for managing GitHub Copilot Premium Request Units (PRUs), including budget configuration, KPI targets, monitoring, and cost control strategies
+- **New Content: Security Alert Management** - Published a scenario for prioritizing security alert remediation using GitHub's built-in metadata and organizational context, including practical guidance on implementing GitHub's security campaigns and vulnerability triage workflows
+- **New Content: Champion Program** - Published a recommendation for champion programs that empower engaged employees to guide peers through AI-driven change.

content/library/overview/release-notes/2025-q3.md

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+<!-- markdownlint-disable MD041 -->
+
+## 2025 Q4
+
+- **New Content: Actions Runner Controller (ARC) best practices** - Published an opinionated guidance for operating ARC on Kubernetes, including recommendations for runner images, configuration, observability, and security trade-offs
+- **New Content: Securing developer workspace** - Published an design guidance for hardening developer workspaces, including identity and authorization, workspace isolation, and signed commit practices
+- **Update: Securing GitHub Actions workflows** - Added opinionated guidance for OIDC, repository rulesets, and safer workflow patterns, with specific recommendations for public repository security

content/library/overview/release-notes/2025-q4.md

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+---
+# SPDX-FileCopyrightText: GitHub and The Project Authors
+# SPDX-License-Identifier: MIT
+title: Release notes
+weight: 4
+prev: library/overview/getting-started-checklist
+next: library/scenarios
+---
+
+Find general updates here on new content, feature enhancements, and improvements that help teams architect and optimize deployments of the tools that support their development communities.
+
+{{% quarterly-updates %}}
+
+## Future Plans & Roadmap
+
+- **Partner & Ecosystem Growth**: Ongoing partner showcases, workshops, and contributions will introduce new specialized assessment offerings
+- **Deeper AI Integration**: Expanding GitHub Copilot insights and AI-based recommendations to cover governance, security, and productivity checks
+- **Advanced Scenarios & Recommendations**: Adding guides on large-scale workflows, compliance-first deployments, and hybrid architectures
+- **Continuous Feedback**: Regularly soliciting community input through partner channels and real-world customer engagements to shape new content
+
+We're committed to continuous improvement of GitHub Well-Architected. If you have questions or feedback, please reach out to your Partner or our GitHub Support and Services teams.
+
+Thank you for your interest in building resilient, scalable development practices!

content/library/overview/release-notes/index.md

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+{{- /*
+Shortcode: quarterly-updates
+
+Auto-renders quarterly release notes section files from the current page bundle.
+
+Convention:
+  - Quarterly section resources are named like "YYYY-qN.md" (for example, "2025-q4.md").
+  - Sorting is based on filename (descending).
+  - Files must use markdown headings (##) for TOC compatibility.
+
+Usage:
+  {{% quarterly-updates %}}
+
+Note: Use percent delimiters (%) instead of angle brackets (<) so headings appear in TOC.
+*/ -}}
+
+{{- $sections := .Page.Resources.Match "20*-q*.md" -}}
+{{- if not $sections -}}
+  {{- errorf "quarterly-updates: no matching section files found for %q" .Page.File.Path -}}
+{{- end -}}
+
+{{- range (sort $sections "Name" "desc") -}}
+  {{- .RenderShortcodes -}}
+{{- end -}}