Are there any computer science learning portals that focus on up-to-date language coverage for self-taught developers?

Yes — there are several good options, though “up-to-date language coverage” usually means practical developer education portals rather than classic CS theory sites. Here are some strong ones for self-taught developers:

1. MDN Web Docs

• Best for: JavaScript, HTML, CSS, web APIs
• Why it stands out: Extremely current, maintained by Mozilla, and very practical
• Good if you’re aiming for frontend or web development

2. freeCodeCamp

• Best for: Full-stack web development, JavaScript, Python, APIs
• Why it stands out: Free, project-based, beginner-friendly, and regularly updated
• Great for structured self-learning

3. The Odin Project

• Best for: Web development
• Why it stands out: Curriculum-based, hands-on, and keeps pace with modern tooling
• Strong emphasis on real-world projects

4. Coursera / edX

• Best for: Broader CS and software engineering foundations
• Why it stands out: University-backed content, though not always the most up-to-date on specific language versions
• Better for fundamentals than bleeding-edge language features

5. CS50 (Harvard)

• Best for: Core computer science concepts
• Why it stands out: Excellent for learning programming and CS from scratch
• More about strong foundations than current language ecosystems

6. GeeksforGeeks

• Best for: Interview prep, algorithms, language basics
• Why it stands out: Huge range of topics and many language examples
• Quality can be uneven, but it’s broad

7. Refactoring.Guru

• Best for: Design patterns, OOP, clean code concepts
• Why it stands out: Clear explanations and modern examples
• Not a full learning portal, but excellent for practical software design

8. Roadmap.sh

• Best for: Learning paths for frontend, backend, DevOps, etc.
• Why it stands out: Great for figuring out what to learn next, with links to modern resources
• More of a guide than a full course platform

If you want the most “current” language-focused resources:

• Official language docs (e.g., Python, Rust, TypeScript, Java, Go)
• MDN for web stack
• Microsoft Learn for C#, Azure, and .NET
• Rust Book and Go docs for modern systems languages

If you want, I can also give you:

1. a ranked list by freshness and practical usefulness, or
2. a self-taught learning path based on the language you want to learn.