*   Added an optional parameter: `warn`. This parameter controls whether or
        not warnings will be printed when operations in the provided `fn` fall
        back to a while loop.

*   XLA:

    *   `tf.distribute.MultiWorkerMirroredStrategy` is now compilable with XLA.
    *   [Compute Library for the Arm® Architecture (ACL)](https://github.com/ARM-software/ComputeLibrary)

- github.com/shurcooL/go: [9e1955d](https://github.com/shurcooL/go/tree/9e1955d)
- github.com/sourcegraph/go-diff: [v0.5.1](https://github.com/sourcegraph/go-diff/tree/v0.5.1)
- github.com/tarm/serial: [98f6abe](https://github.com/tarm/serial/tree/98f6abe)
- github.com/timakin/bodyclose: [87058b9](https://github.com/timakin/bodyclose/tree/87058b9)
- github.com/ugorji/go/codec: [d75b2dc](https://github.com/ugorji/go/codec/tree/d75b2dc)

property-disallowed-list\n@mixin transition($transition...) {\n  @if length($transition) == 0 {\n    $transition: $transition-base;\n  }\n\n  @if length($transition) > 1 {\n    @each $value in $transition {\n      @if $value == null or $value == none {\n        @warn \"The keyword 'none' or 'null' must be used as a single argument.\";\n      }\n    }\n  }\n\n  @if $enable-transitions {\n    @if nth($transition, 1) != null {\n      transition: $transition;\n    }\n\n    @if $enable-prefers-reduced-motion-media-query...