What does this release signal mean?

api: mark Claude Opus 4.1 as deprecated ( <a href="https://github.com/anthropics/anthropic-sdk-typescript/commit/4ee46f24cb2a5388027d7efb0b44fcb210ae8b50" target="_blank" rel="noopener noreferrer" class="font-medium text-accent-ink underline-offset-2 hover:underline">4ee46f2 )
client: add support for middleware ( <a href="https://github.com/anthropics/anthropic-sdk-typescript/commit/9b011207965540211cefb19d44d758b7942aedab" target="_blank" rel="noopener noreferrer" class="font-medium text-accent-ink underline-offset-2 hover:underline">9b01120 )

Anthropic published anthropics/anthropic-sdk-typescript aws-sdk-v0.4.0 (anthropics/anthropic-sdk-typescript). This release signal is evidence of what shipped, changed, or was packaged for users. High-signal details: Routine SDK version update · aws-sdk: v0.4.0 Repository: anthropics/anthropic-sdk-typescript Tag: aws-sdk-v0.4.0 Published: 2026-06-05T19:49:00Z Prerelease: no Release notes: 0.4.0 (2026-06-05) Full.... onlylabs links this event to 1 captured evidence page and 6 related release signals.