UTF-8 post submission is not working

[ghost]

After migration from 1.2.7 to 1.3.0.M5 UTF encoding is not working.

** given: **

<form action="'/topic}" method="post">
    <input name="title" type="text" class="form-control" id="title" />
    <button type="submit" class="btn btn-default">Add topic</button>
</form>

publc class Topic {
    private String title;
    ...
}

** when ***
Submit html ex "ĄĆÓŁŻŹĆŃĘąśżźćółń" to standard Controller

    @RequestMapping(value = "/topic}", method = RequestMethod.POST)
    public String make( Topic topic) {}) {
        ....
    }

Tested on:
Spring Boot 1.3.0.M5 + Spring Security - default container

[wilkinsona]

This has already been fixed in 1.3 snapshots. Duplicates #3912