Summary
Qwen Code's v0.15.6 nightly release adds a FileReadCache that short-circuits unchanged reads and includes a CLI fix to honor proxy settings. The release also continues the product's recent push into background-agent tooling, review workflows, and MCP health visibility.
What changed
Qwen Code v0.15.6 nightly added FileReadCache for unchanged reads, honored CLI proxy settings, and shipped several background-task and review-flow improvements.
Why it matters
Qwen Code is refining the lower-level mechanics that determine whether long sessions stay fast and reliable. File-read caching and proxy correctness both matter in real team environments where agent tools run through enterprise networks and repeatedly inspect large workspaces.
Evidence excerpt
The v0.15.6 nightly release adds FileReadCache and short-circuits unchanged reads, while also fixing the CLI to honor proxy settings.