https://eolkits.com/migrate/ Every tracked AWS deprecation deadline — Lambda runtimes, Amazon Linux 2, IMDSv1 — with cited breaking changes and migration guides. Deterministic, sourced from primary AWS docs. en-us Tue, 23 Jun 2026 00:00:00 GMT https://eolkits.com/migrate/imdsv1-enforcement/https://eolkits.com/migrate/imdsv1-enforcement/Tue, 23 Jun 2026 00:00:00 GMTDeadline 2025-12-31 (high). IMDSv1 access will be blocked by default on new instance launches. Breaking changes: IMDSv1 requests fail; Must use IMDSv2 with session tokens; SSM agent must be updated. Source: https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/configuring-instance-metadata-service.html https://eolkits.com/migrate/amazon-linux-2-eol/https://eolkits.com/migrate/amazon-linux-2-eol/Tue, 23 Jun 2026 00:00:00 GMTDeadline 2026-06-30 (critical). Amazon Linux 2 reaches end of life. No more security patches, AMI publishing, or extras updates. Breaking changes: No security patches after EOL; yum replaced with dnf; amazon-linux-extras not available; ntpd replaced with chronyd; iptables replaced with nftables; Python 2 no longer available. Source: https://aws.amazon.com/blogs/aws/update-on-amazon-linux-2-end-of-life/ https://eolkits.com/migrate/lambda-node.js-20-phase-1/https://eolkits.com/migrate/lambda-node.js-20-phase-1/Tue, 23 Jun 2026 00:00:00 GMTDeadline 2027-02-01 (high). Node.js 20 Lambda runtime (Amazon Linux 2023) deprecated 2026-04-30. Per the AWS Lambda runtime deprecation table, AWS blocks creating new nodejs20.x functions on 2027-02-01 and updating existing ones on 2027-03-03 — part of the synchronized Q1-2027 runtime-block cluster. Breaking changes: CreateFunction and UpdateFunctionConfiguration API calls fail; aws-sdk v2 not available (use v3); OpenSSL 3 hash changes; URL vs require() for imports. Source: https://docs.aws.amazon.com/lambda/latest/dg/lambda-runtimes.html https://eolkits.com/migrate/lambda-python-3.9-eol/https://eolkits.com/migrate/lambda-python-3.9-eol/Tue, 23 Jun 2026 00:00:00 GMTDeadline 2027-02-01 (high). Python 3.9 Lambda runtime (Amazon Linux 2) was deprecated on 2025-12-15 (no further security patches). Per the AWS Lambda runtime deprecation table, AWS blocks creating new python3.9 functions on 2027-02-01 and blocks updating existing ones on 2027-03-03. Functions keep running, but become unpatched and unmodifiable after the block dates. Breaking changes: distutils module removed; imp module removed; collections.Mapping deprecated; Native wheels may not be available. Source: https://docs.aws.amazon.com/lambda/latest/dg/lambda-runtimes.html https://eolkits.com/migrate/lambda-python-3.10-eol/https://eolkits.com/migrate/lambda-python-3.10-eol/Tue, 23 Jun 2026 00:00:00 GMTDeadline 2027-02-01 (high). Python 3.10 Lambda runtime deprecated 2026-10-31. Per the AWS Lambda runtime deprecation table, AWS blocks creating new python3.10 functions on 2027-02-01 and updating existing ones on 2027-03-03 — the same synchronized Q1-2027 block cluster as python3.8/3.9. Breaking changes: datetime.utcnow() deprecated; Various typing changes. Source: https://docs.aws.amazon.com/lambda/latest/dg/lambda-runtimes.html https://eolkits.com/migrate/lambda-node.js-18-eol/https://eolkits.com/migrate/lambda-node.js-18-eol/Tue, 23 Jun 2026 00:00:00 GMTDeadline 2027-02-01 (high). Node.js 18 Lambda runtime (Amazon Linux 2) deprecated 2025-09-01. Per the AWS Lambda runtime deprecation table, AWS blocks creating new nodejs18.x functions on 2027-02-01 and updating existing ones on 2027-03-03 — part of the synchronized Q1-2027 runtime-block cluster. nodejs18.x is one of the most common runtimes still in production. Breaking changes: Upgrade target is nodejs22.x; aws-sdk v2 not bundled (use @aws-sdk v3 modular clients); Native addons must be rebuilt for the Node 22 ABI; OpenSSL 3 behavior changes. Source: https://docs.aws.amazon.com/lambda/latest/dg/lambda-runtimes.html https://eolkits.com/migrate/lambda-python-3.8-eol/https://eolkits.com/migrate/lambda-python-3.8-eol/Tue, 23 Jun 2026 00:00:00 GMTDeadline 2027-02-01 (high). Python 3.8 Lambda runtime (Amazon Linux 2) deprecated 2024-10-14. Per the AWS Lambda runtime deprecation table, AWS blocks creating new python3.8 functions on 2027-02-01 and updating existing ones on 2027-03-03 — the same synchronized Q1-2027 block cluster as python3.9/3.10. Breaking changes: Upgrade target is python3.12 (3.13 available); distutils and imp removed in 3.12 (fix on upgrade); collections ABCs moved to collections.abc (3.10+); Native wheels may need version bumps for cp312. Source: https://docs.aws.amazon.com/lambda/latest/dg/lambda-runtimes.html https://eolkits.com/migrate/lambda-python-3.11-eol/https://eolkits.com/migrate/lambda-python-3.11-eol/Tue, 23 Jun 2026 00:00:00 GMTDeadline 2027-07-31 (medium). Python 3.11 Lambda runtime deprecated 2027-06-30. Per the AWS Lambda runtime deprecation table, AWS blocks creating new python3.11 functions on 2027-07-31 and updating existing ones on 2027-08-31. Breaking changes: TOML parsing changes. Source: https://docs.aws.amazon.com/lambda/latest/dg/lambda-runtimes.html