* 🔥 Remove Python 3.9 specific files, no longer needed after updating translations. PR [#14931](https://github.com/fastapi/fastapi/pull/14931) by [@tiangolo](https://github.com/tiangolo).
* 📝 Update docs for JWT to prevent timing attacks. PR [#14908](https://github.com/fastapi/fastapi/pull/14908) by [@tiangolo](https://github.com/tiangolo).

### Translations

        MaskedTensor(tf.experimental.ExtensionType): values: tf.Tensor mask:
        tf.Tensor` The `tf.ExtensionType` base class works similarly to
        [`typing.NamedTuple`](https://docs.python.org/3/library/typing.html#typing.NamedTuple)
        and
        [`@dataclasses.dataclass`](https://docs.python.org/3/library/dataclasses.html#dataclasses.dataclass)
        from the standard Python library.

continue } xLimbs[i] = shiftedLimbs[i] >> shift if i+1 < len(shiftedLimbs) { xLimbs[i] |= shiftedLimbs[i+1] << (_W - shift) } } return x } // BitLenVarTime returns the actual size of x in bits. // // The actual size of x (but nothing more) leaks through timing side-channels. // Note that this is ordinarily secret, as opposed to the announced size of x. func (x *Nat) BitLenVarTime() int { // Eliminate bounds checks in the loop. size := len(x.limbs) xLimbs := x.limbs[:size] for i := size - 1; i >= 0; i--...

continue } xLimbs[i] = shiftedLimbs[i] >> shift if i+1 < len(shiftedLimbs) { xLimbs[i] |= shiftedLimbs[i+1] << (_W - shift) } } return x } // BitLenVarTime returns the actual size of x in bits. // // The actual size of x (but nothing more) leaks through timing side-channels. // Note that this is ordinarily secret, as opposed to the announced size of x. func (x *Nat) BitLenVarTime() int { // Eliminate bounds checks in the loop. size := len(x.limbs) xLimbs := x.limbs[:size] for i := size - 1; i >= 0; i--...

var(--#{$prefix}progress-height);\n}\n\n.progress-stacked > .progress {\n  overflow: visible;\n}\n\n.progress-stacked > .progress > .progress-bar {\n  width: 100%;\n}\n\n@if $enable-transitions {\n  .progress-bar-animated {\n    animation: $progress-bar-animation-timing progress-bar-stripes;\n\n    @if $enable-reduced-motion {\n      @media (prefers-reduced-motion: reduce) {\n        animation: none;\n      }\n    }\n  }\n}\n","// Base class\n//\n// Easily usable on <ul>, <ol>, or <div>.\n\n.list-group {\n  // scss-docs-start...

transition($progress-bar-transition);\n}\n\n.progress-bar-striped {\n  @include gradient-striped();\n  background-size: $progress-height $progress-height;\n}\n\n@if $enable-transitions {\n  .progress-bar-animated {\n    animation: $progress-bar-animation-timing progress-bar-stripes;\n\n    @if $enable-prefers-reduced-motion-media-query {\n      @media (prefers-reduced-motion: reduce) {\n        animation: none;\n      }\n    }\n  }\n}\n",".media {\n  display: flex;\n  align-items: flex-start;\n}\n\n.media-body...