# kern 1.1.1

> Concurrent HTTP fix, boxed union layout, release pipeline. Patch release fixing three adopter-reported v1.1.0 regressions.

Source: https://kern-lang.eu/releases/1.1.1

Concurrent HTTP fix, boxed union layout, release pipeline

Patch release fixing three adopter-reported v1.1.0 regressions

## Release notes

### Concurrent HTTP+Postgres hang

Per-connection HTTP state that was `static __thread` (WebSocket/SSE/stream flags and the two 16 KB response-header scratch buffers) moved into the per-request context, so a request parking on I/O can no longer have a sibling on the same thread overwrite it.

### Boxed union variant layout

A variant box was sized to the raw field sum rather than the aligned payload, so a bool before an 8-byte field left a value read past the allocation.

### Linux spawn\_thread server

`kern_fd_wait` takes the libuv park only on the loop thread; worker threads block on `poll(2)`.

### Release pipeline

The build image and workflows now install `libzstd-dev`; without it no v1.1.0 binary assets were ever produced.

### New gate

`make check-deps-image-parity` ensures every enforced `deps.lock` library has its `-dev` package in the Dockerfile and release workflows.

Install

`$ curl -fsSL https://kern-lang.eu/install.sh | sh`

Upgrade with the same install command. Releases are signed.

[Get started ](https://kern-lang.eu/get-started)