What is AWS CLI v1 maintenance mode?

Starts July 15, 2026: only critical bugs and security fixed. No new features, services, or regions.

When does AWS CLI v1 reach end of support?

July 15, 2027. No updates after; code archived but unsupported.

How do I migrate from AWS CLI v1 to v2?

Use the migration guide, upgrade debug mode (v1.44+), and v1-to-v2 linter tool. Install v2 alongside, test scripts incrementally.

☁️ Cloud & Infrastructure

AWS CLI v1 Enters Maintenance Mode: Your Wake-Up Call to v2's Interactive Future

AWS CLI v1, that trusty workhorse since 2015, is finally parking in maintenance mode come July 2026. It's time to rev up to v2 — faster, smarter, and packed with features that feel downright futuristic.

theAIcatchup Apr 10, 2026 4 min read

Timeline graphic showing AWS CLI v1 maintenance mode and v2 upgrade path

⚡ Key Takeaways

AWS CLI v1 enters maintenance July 2026, ends support 2027 — migrate to v2 for ongoing features. 𝕏
v2 brings interactive wizards, embedded Python, performance gains, and v1-exclusive commands like DynamoDB highs. 𝕏
Tools like debug mode and linters make switching painless; ignore at your peril for future AWS innovations. 𝕏

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#AWS CLI #AWS maintenance mode #AWS tools #CLI v1 maintenance #CLI v2 migration #devops tools #maintenance mode

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Originally reported by AWS Developer Blog

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