Software Development Atlas
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Content Freshness

Understand evergreen, evolving, and frontier guidance and what last verified means.

EvergreenVerified Aug 19, 2026Review target: 365 days
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Personal learning atlas by Tran Trong Thuc · About this Atlas · Atlas last updated Sep 9, 2026

Evergreen

Evergreen lessons cover slow-changing fundamentals. Their default review target is 365 days.

Evolving

Evolving lessons cover frameworks, libraries, databases, infrastructure, and engineering practices that change materially over time. Their default review target is 180 days.

Frontier

Frontier lessons cover fast-moving AI, coding-agent, model, and protocol workflows. Their default review target is 90 days.

Last verified is not last edited

lastVerified means a contributor intentionally reviewed the lesson for present-day correctness. A typo-only edit does not reset that date.

Atlas Coverage

See which canonical software-engineering concepts currently have authored Atlas content and which remain uncovered.

About This Atlas

Who maintains Software Development Atlas, why it exists, and how its freshness signals should be interpreted.

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EvergreenEvolvingFrontierLast verified is not last edited