Bump jax from 0.8.1 to 0.8.2

[dependabot]

Bumps jax from 0.8.1 to 0.8.2.

Release notes

Sourced from jax's releases.

JAX v0.8.2

• Deprecations

  • jax.lax.pvary has been deprecated. Please use jax.lax.pcast(..., to='varying') as the replacement.
  • Complex arguments passed to jax.numpy.arange now result in a deprecation warning, because the output is poorly-defined.
  • From jax.core a number of symbols are newly deprecated including: call_impl, get_aval, mapped_aval, subjaxprs, set_current_trace, take_current_trace, traverse_jaxpr_params, unmapped_aval, AbstractToken, and TraceTag.
  • All symbols in jax.interpreters.pxla are deprecated. These are primarily JAX internal APIs, and users should not rely on them.

• Changes:

  • jax's Tracer no longer inherits from jax.Array at runtime. However, jax.Array now uses a custom metaclass such isinstance(x, Array) is true if an object x represents a traced Array. Only some Tracers represent Arrays, so it is not correct for Tracer to inherit from Array.

    For the moment, during Python type checking, we continue to declare Tracer as a subclass of Array, however we expect to remove this in a future release.

  • jax.experimental.si_vjp has been deleted. jax.vjp subsumes it's functionality.

Changelog

Sourced from jax's changelog.

JAX 0.8.2 (December 18, 2025)

• Deprecations

  • jax.lax.pvary has been deprecated. Please use jax.lax.pcast(..., to='varying') as the replacement.
  • Complex arguments passed to {func}jax.numpy.arange now result in a deprecation warning, because the output is poorly-defined.
  • From {mod}jax.core a number of symbols are newly deprecated including: call_impl, get_aval, mapped_aval, subjaxprs, set_current_trace, take_current_trace, traverse_jaxpr_params, unmapped_aval, AbstractToken, and TraceTag.
  • All symbols in {mod}jax.interpreters.pxla are deprecated. These are primarily JAX internal APIs, and users should not rely on them.

• Changes:

  • jax's Tracer no longer inherits from jax.Array at runtime. However, jax.Array now uses a custom metaclass such isinstance(x, Array) is true if an object x represents a traced Array. Only some Tracers represent Arrays, so it is not correct for Tracer to inherit from Array.

    For the moment, during Python type checking, we continue to declare Tracer as a subclass of Array, however we expect to remove this in a future release.

  • jax.experimental.si_vjp has been deleted. jax.vjp subsumes it's functionality.

Commits

• 3f12502 Prepare for JAX release 0.8.2
• e2815d5 [pallas:mosaic] pltpu.emit_pipeline now accepts block specs in HBM
• 69a6cca [mpmd] Fix stage_id field nanobind compatability
• 315bb93 [MGPU] Doc fix and shape size fix for broadcast in WGSplatFragLayout.
• c1188e7 Add getitem to backwards compatible shims.
• b9b2d4f [pallas:mosaic] Recover memory_space from the aval in aval_to_ir_type
• 3349e7a [Pallas] Allow inferring the backend from the provided compiler params.
• 97c557d Update XLA dependency to use revision http://github.com/openxla/xla/commit/91...
• 286e358 Automated Code Change
• f81c201 [pallas:mosaic] Access memory spaces via pltpu directly
• Additional commits viewable in compare view

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 96.98%. Comparing base (02446c5) to head (9847bbc).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #639   +/-   ##
=======================================
  Coverage   96.98%   96.98%           
=======================================
  Files          42       42           
  Lines        1094     1094           
=======================================
  Hits         1061     1061           
  Misses         33       33           

Flag	Coverage Δ
unittests	96.98% <ø> (ø)

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