of `Policy` optionally took in a `tf.compat.v1.mixed_precision.LossScale` in the constructor, which defaulted to a dynamic loss scale for the `"mixed_float16"` policy and no loss scale for other policies. In `Model.compile`, if the model's policy had a loss scale, the optimizer would be wrapped with a `LossScaleOptimizer`. With the non-experimental `Policy`, there is no loss scale associated with the `Policy`, and `Model.compile` wraps the optimizer with a `LossScaleOptimizer` if and only if the...

    /**
     * Get the value for the key 'virtual.host.headers'. <br>
     * The value is, e.g.  <br>
     * comment: Virtual Host: Host:fess.codelibs.org=fess
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getVirtualHostHeaders();

    /**
     * Get the value for the key 'virtual.host.headers' as {@link Integer}. <br>

  - [Changelog since v1.19.14](#changelog-since-v11914)
  - [Important Security Information](#important-security-information)
    - [CVE-2021-25741: Symlink Exchange Can Allow Host Filesystem Access](#cve-2021-25741-symlink-exchange-can-allow-host-filesystem-access)
  - [Changes by Kind](#changes-by-kind-1)
    - [Bug or Regression](#bug-or-regression-1)
    - [Other (Cleanup or Flake)](#other-cleanup-or-flake)

* Add translations setup for Ukrainian. PR [#1830](https://github.com/tiangolo/fastapi/pull/1830).
* Add external link [Build And Host Fast Data Science Applications Using FastAPI](https://towardsdatascience.com/build-and-host-fast-data-science-applications-using-fastapi-823be8a1d6a0). PR [#1786](https://github.com/tiangolo/fastapi/pull/1786) by [@Kludex](https://github.com/Kludex).

PURPOSE // ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE // LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR // CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF // SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR // BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, // WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE // OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, // EVEN...