<commit_before>## Changelog

This list is not currently intended to be all-encompassing - it will document major and breaking API changes with their rationale when appropriate:

### v1.22.1
- Fix for #12. Undertow not constructing response correctly.

### v1.22.0
- New module with Undertow.io support `http4k-server-undertow`
- Jackson implementation now ignores unknown properties in incoming messages
- Netty implementation tidied up

### v1.21.1
- Fix for #11. Netty implementation returns incorrect status codes.

### v1.21.0
- Add synonym methods for Lenses to aid readability. We now have `invoke(IN)/extract(IN)` and `invoke(IN, TARGET)/inject(IN, TARGET)

### v1.20.0
- `http4k-contracts`: Add option to change the route of the module description route

### v1.19.1
- `http4k-contracts`: Fix for contract module description routes not being authenticated via security filter

### v1.19.0
- `http4k-contracts`: Add `Swagger` module rendering with JSON schema models for messages.

### v1.18.0
- Add `nonEmptyString()` lens type to all request parts.

### v1.17.0
- General rework

### v1.16.0<commit_msg>fix #12. undertow passing back headers correctly<commit_after>## Changelog

This list is not currently intended to be all-encompassing - it will document major and breaking API changes with their rationale when appropriate:

### v1.22.2
- Fix for #12. Undertow not constructing response correctly.

### v1.22.0
- New module with Undertow.io support `http4k-server-undertow`
- Jackson implementation now ignores unknown properties in incoming messages
- Netty implementation tidied up

### v1.21.1
- Fix for #11. Netty implementation returns incorrect status codes.

### v1.21.0
- Add synonym methods for Lenses to aid readability. We now have `invoke(IN)/extract(IN)` and `invoke(IN, TARGET)/inject(IN, TARGET)

### v1.20.0
- `http4k-contracts`: Add option to change the route of the module description route

### v1.19.1
- `http4k-contracts`: Fix for contract module description routes not being authenticated via security filter

### v1.19.0
- `http4k-contracts`: Add `Swagger` module rendering with JSON schema models for messages.

### v1.18.0
- Add `nonEmptyString()` lens type to all request parts.

### v1.17.0
- General rework

### v1.16.0
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