Fetching from the wire…
Public story · 2026-07-30 · high
The same release adds a TLS setting so Python workers can verify certificates behind SNI-inspecting proxies.
Why now: Version 1.31.0 shipped July 29, as more agent infrastructure runs on Temporal's durable-execution layer.
Temporal shipped Python SDK version 1.31.0 on July 29, adding a cap on eager activity slot reservations per workflow task, per the release notes.
That's a capacity knob for teams running many concurrent agent workflows on the same worker. Temporal is increasingly the durable-execution layer underneath long-running agent systems, the release notes say.
The same release adds TLSConfig.verification_server_name, letting a Python worker verify a certificate against a fixed name. That check happens without altering TLS SNI or the HTTP/2 authority, the setup SNI-inspecting egress proxies require, per the release notes.
The release also adds an experimental patch_activation_callback, for rolling-deploy patch semantics. It's aimed at deployments where old and new workflow code have to coexist mid-rollout, according to the changelog.
Not dramatic on their own. Together they read as upkeep for Temporal at agent scale: tighter control over shared worker capacity, plus a TLS path for locked-down, proxy-heavy networks.
Each link below shares sources, entities, or timing with this story.
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