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Latest from 21CTO

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21CTO
21CTO
Feb 17, 2026 · Backend Development

What’s New in .NET 11 Preview and C# 15? Key Features and Runtime Changes

Microsoft’s .NET 11 preview introduces two‑year STS support, reduces reliance on the Mono runtime, promotes CoreCLR for WebAssembly and Android, adds Zstandard compression, and unveils C# 15 collection‑expression arguments, offering developers early access to significant performance and language enhancements.

.net11WebAssemblyblazor
0 likes · 3 min read
What’s New in .NET 11 Preview and C# 15? Key Features and Runtime Changes
21CTO
21CTO
Feb 16, 2026 · Artificial Intelligence

Why Peter Steinberger’s Move to OpenAI Could Redefine Personal AI Agents

Peter Steinberger, the creator of OpenClaw, joined OpenAI in February 2026, a strategic hire that signals a shift toward action‑oriented personal AI assistants, integrates OpenClaw’s autonomous capabilities into OpenAI’s roadmap, and reshapes the competitive landscape of the AI assistant market.

AI agentsArtificial IntelligenceOpenAI
0 likes · 9 min read
Why Peter Steinberger’s Move to OpenAI Could Redefine Personal AI Agents
21CTO
21CTO
Feb 15, 2026 · Fundamentals

Is AI Ushering Software Engineering’s Third Golden Age? A Historical Perspective

The article examines how recurring predictions of software engineering’s demise have been reshaped by AI, tracing three golden ages—from algorithmic to object‑oriented to platform abstraction—and argues that AI is a catalyst for a new era rather than an industry terminator.

AITechnology Evolutionabstraction
0 likes · 12 min read
Is AI Ushering Software Engineering’s Third Golden Age? A Historical Perspective
21CTO
21CTO
Feb 15, 2026 · Fundamentals

Why TypeScript 6.0 Beta Switches to Go: Faster Builds and Lower Memory

Microsoft announced the TypeScript 6.0 beta, the last version written in JavaScript, and revealed that the compiler will be re‑implemented in Go to improve editor startup, reduce build times, and cut memory usage, with new default compiler options and tsconfig behavior changes.

BetaJavaScriptTypeScript
0 likes · 3 min read
Why TypeScript 6.0 Beta Switches to Go: Faster Builds and Lower Memory
21CTO
21CTO
Feb 12, 2026 · Frontend Development

2026 JavaScript Survey Shows Date Handling Pain Points and Rise of Temporal API

The 2026 JavaScript developer survey of tens of thousands of frontend engineers highlights chronic issues with the native Date object, growing adoption of TypeScript, mixed opinions on Webpack and Next.js, and strong enthusiasm for ES2026 features like the Temporal API, which is now supported in major browsers and poised to replace legacy date handling.

JavaScriptSurveyTemporal API
0 likes · 10 min read
2026 JavaScript Survey Shows Date Handling Pain Points and Rise of Temporal API
21CTO
21CTO
Feb 7, 2026 · Databases

Why Google Renamed ZetaSQL to GoogleSQL and What It Means for Developers

Google announced on February 6, 2026 that its open‑source SQL analysis framework ZetaSQL will be renamed GoogleSQL to unify the project name with the official language spec, eliminate community confusion, and clarify its role in the Google data ecosystem without changing any code or functionality.

BigQueryGoogleSQLOpenSource
0 likes · 4 min read
Why Google Renamed ZetaSQL to GoogleSQL and What It Means for Developers
21CTO
21CTO
Feb 4, 2026 · Artificial Intelligence

Can AI Boost Developers? Study Finds Benefits for Experts, Drawbacks for Learners

A recent anthropology‑funded experiment shows that AI assistance speeds up seasoned programmers but actually slows skill acquisition for novices, with no overall productivity gain and significantly lower test scores, especially in debugging tasks.

AI assistanceTrio librarycoding skills
0 likes · 5 min read
Can AI Boost Developers? Study Finds Benefits for Experts, Drawbacks for Learners
21CTO
21CTO
Feb 3, 2026 · Information Security

Critical PHPUnit CVE-2026-24765: How Unsafe Coverage Files Enable RCE in CI/CD Pipelines

A high‑severity CVE‑2026‑24765 in the widely used PHP unit‑testing framework PHPUnit allows attackers to inject malicious coverage files that trigger unsafe deserialization and remote code execution during CI/CD test runs, prompting immediate upgrades to patched releases across all active branches.

PHPRCETesting
0 likes · 4 min read
Critical PHPUnit CVE-2026-24765: How Unsafe Coverage Files Enable RCE in CI/CD Pipelines
21CTO
21CTO
Feb 2, 2026 · Databases

Is Oracle’s Promise a New Era for MySQL? Community Reactions and Risks

Oracle claims a new era for MySQL by moving commercial‑only features to the community edition and adding AI‑focused vector functions, but developers question whether these promises are timely or sufficient, fearing continued neglect of the open‑source community.

AI workloadsDatabase CommunityMySQL
0 likes · 5 min read
Is Oracle’s Promise a New Era for MySQL? Community Reactions and Risks
21CTO
21CTO
Jan 31, 2026 · Backend Development

Why Microservices May Be Overkill: Embrace Modular Monoliths for Simpler, Faster Deployments

The article examines how the rise of microservices introduced hidden complexity, cost, and operational overhead, and argues that many teams are shifting back to modular monoliths, which offer clearer boundaries, faster deployments, and lower coordination burdens while still supporting future scalability.

Microservicesbackend developmentmodular monolith
0 likes · 14 min read
Why Microservices May Be Overkill: Embrace Modular Monoliths for Simpler, Faster Deployments