Cog 0.19.1
Bug fixes Support for TypedDict in schema generation. Fixed an issue where TypedDict type annotations would cause schema generation to fail. ( #2978 ) Build order fix for resource exhaustion. Reordered coglet wheel build to run after cog/sdk builds to prevent resource exhaustion during release builds. ( #2977 ) Maintenance Removed dead Go code.
Also shipped Apr 30, 2026Replicate in April 2026 →
Response Caching: Zero Cost for Identical Requests
OpenRouter introduced a Response Caching header that enables caching for identical API requests. This feature reduces latency and eliminates costs for repeated requests.
Cloudflare One, Cloudflare WAN - Post-quantum IPsec interoperability with third-party devices
Cloudflare IPsec now supports post-quantum key agreement with compatible third-party devices. Cisco ↗ and Fortinet ↗ are the first third-party vendors validated to interoperate with Cloudflare IPsec using ML-KEM (Module-Lattice-Based Key-Encapsulation Mechanism).
SDK - Cloudflare TypeScript SDK v6.0.0 Released
Full Changelog: v6.0.0-beta.2...v6.0.0 ↗ This is a major version release of the Cloudflare TypeScript SDK. It includes 11 entirely new top-level API resources, new sub-resources and methods across 50+ existing resources, SDK infrastructure improvements, and breaking changes to the generated API surface from the v5.x line.
Speed - Shared dictionaries passthrough now in open beta
Shared dictionaries ( RFC 9842 ↗ ) let an origin compress a response against a previous version of the same resource that the browser already has cached, so only the difference between versions travels over the wire. Shared dictionaries passthrough is now in open beta on all plans.
Sentry's Perforce Integration is now Generally Available
Sentry now connects natively to Perforce P4, bringing stack trace linking, suspect commits, on-demand source context, and P4 Code Review to teams using Perforce.
JavaScript SDK 10.51.0: Nitro SDK now in beta
Sentry's JavaScript SDK 10.51.0 introduces a new `@sentry/nitro` SDK in beta and adds trace propagation across Cloudflare Workers RPC calls. Plus middleware spans for nested Hono route groups, LangGraph instrumentation and customizable Feedback errors.
More from CogEvery Cog release →
Cog 0.19.2
Changelog 427d486 Bump version to 0.19.2 ( #2984 ) d9c2b14 fix: cap fuzz test input size to prevent timeout ( #2981 ) 4269575 fix: support typing_extensions TypedDict at runtime ( #2983 )
Cog 0.19.3
Changelog 0780450 Bump version to 0.19.3 ( #2995 ) cac3e91 feat: experimental managed weights ( #2974 )
Cog 0.20.0
New features cog run command. The cog predict command has been renamed to cog run with full backward compatibility. cog predict still works as an alias. ( #3015 ) Model refs for cog push and weights commands. You can now reference models by name (e.g., r8.im/user/model ) instead of full image URLs when pushing or managing weights.
Cog 0.21.0
New features Server-Sent Event prediction streams. HTTP prediction requests can now ask for Accept: text/event-stream to receive start , output , log , metric , and terminal completed events for predictors that explicitly opt in with @streaming / @cog.streaming .
Cog 0.22.0
Breaking changes Local servers now bind to 127.0.0.1 instead of 0.0.0.0 . cog serve , cog run -p , cog predict , and cog train no longer expose the prediction endpoint to your whole network by default. To get the old behavior back, use cog serve --host 0.0.0.0 or cog run -p 0.0.0.0:8888 , -p now accepts host:port . ( #2812 ) New features Browser playground.
Cog 0.23.0
New features GPU compatibility warnings in cog doctor . cog doctor now warns when the resolved PyTorch and CUDA wheel ships no kernels for the local GPU, catching images that build successfully but fail when they run CUDA operations. ( #3104 ) OpenTelemetry tracing.
Cog 0.23.1
Bug fixes - Predictions now fail when an output upload fails. Previously, a file upload that timed out or was rejected could leave a prediction marked succeeded with output: null, or silently drop files from list outputs. Any failed upload now fails the prediction with an error, and cancellation still reports canceled.