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21CTO
21CTO
Apr 24, 2026 · Operations

GitHub Outage Hits Copilot, Webhooks, Actions and PR Merge Queue

In the early hours of April 24, 2024, GitHub suffered a global outage that knocked out Copilot, Webhooks, and Actions, later exposing a regression bug in the Pull Request merge queue that caused incorrect merges, with full service restoration completed by 05:43.

ActionsCopilotGitHub
0 likes · 4 min read
GitHub Outage Hits Copilot, Webhooks, Actions and PR Merge Queue
HomeTech
HomeTech
Aug 21, 2025 · Frontend Development

Unlock React 18 & 19: Core New Features and How to Use Them

This article explains React 18’s automatic batching, concurrent mode, new hooks, and root API changes, then dives into React 19’s server components, actions, optimistic updates, resource preloading, and native document metadata support, providing code examples for each feature.

ActionsAuto BatchingConcurrent Mode
0 likes · 13 min read
Unlock React 18 & 19: Core New Features and How to Use Them
FunTester
FunTester
Aug 4, 2021 · Backend Development

Master Selenium 4: Replace DesiredCapabilities with Options and Unlock New Actions

This guide explains Selenium 4's deprecation of DesiredCapabilities, shows how to use Options for Chrome, Firefox, IE and Safari, demonstrates the updated Actions API for clicks, double‑clicks, right‑clicks and drag‑and‑drop, and details the FluentWait syntax changes with code examples.

ActionsAutomationFluentWait
0 likes · 11 min read
Master Selenium 4: Replace DesiredCapabilities with Options and Unlock New Actions
JD Retail Technology
JD Retail Technology
Sep 12, 2018 · Fundamentals

IntelliJ IDEA Plugin Development Guide

This tutorial provides a comprehensive guide to developing plugins for IntelliJ IDEA, covering environment setup, project structure, actions, components, services, persistence mechanisms, dependency management, and GUI creation using the built-in designer for developers.

ActionsIDE extensibilityIntelliJ IDEA
0 likes · 21 min read
IntelliJ IDEA Plugin Development Guide