Robotics tooling and edge cache updates #70
Today's Letter
Hugging Face releases LeRobot v0.6.0
- Hugging Face published LeRobot v0.6.0 on July 7, 2026, focused on robotics training, evaluation, and deployment workflows.
- The release adds world-model policies including VLA-JEPA, LingBot-VA, and FastWAM for predicting future states during robot policy training.
- VLA-JEPA is built on Qwen3-VL-2B and applies JEPA-based future prediction during training, then removes the world model at inference time.
- LingBot-VA can save predicted rollout video for comparison with real outcomes, and inference is stated to run on a single 24–32 GB GPU.
- LeRobot v0.6.0 also expands its VLA model set with GR00T N1.7 and other new entries, plus a reward-model API with Robometer and TOPReward.
- Benchmarking is unified under the lerobot-eval CLI with six new simulation benchmarks, and deployment gets a separate lerobot-rollout CLI.
- Dataset updates include depth support, automatic language annotation, custom video encoding, and up to 2x faster data loading.
- Training support now includes FSDP for larger models and cloud training through HF Jobs, alongside a leaner installation path.
Source: huggingface.co
Cloudflare, Workers Cache launched for Worker-fronted caching
- Cloudflare introduced Workers Cache, a tiered cache that sits in front of a Worker and can be enabled with a single Wrangler `cache.enabled` setting.
- Cacheable requests now hit Cloudflare's cache before the Worker runs; on a fresh hit, the cached response is returned directly and Worker CPU time is not billed.
- Caching behavior is controlled with standard HTTP headers such as `Cache-Control`, including `max-age=300` and `stale-while-revalidate=3600`, plus `Cache-Tag` for targeted invalidation.
- Workers can purge their own cache programmatically, including tag-based purges such as `product:123`, without separate zone rules or an external cache service.
- Cloudflare said the cache works across Worker deployment modes including custom domains, `workers.dev`, service bindings, previews, and Workers for Platforms tenants.
- The launch also includes tiered caching, `Vary` support for content negotiation, multi-tenant-safe cache keys via `ctx.props`, and path-prefix purge controls.
- Cloudflare positioned the feature as a better fit for server-rendered apps built on Workers, including frameworks such as Astro, Next.js, Remix, SvelteKit, and TanStack Start.
- Workers Cache is available as of 2026-07-06 for every Worker on any plan through Wrangler configuration.
Source: blog.cloudflare.com
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