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ENH: Enable batch size > 1 for CAR distribution

feature request

Status: Open.

#8414 In pymc-devs/pymc;

· ckrapu opened on Aug 28, 2026

ENH: Render full symbolic expressions for Deterministics (and Potentials) in model representations — plain text and LaTeX

Status: Open.

#8407 In pymc-devs/pymc;

· drbenvincent opened on Aug 25, 2026

BUG: No Progressbar in Marimo Notebook with ADVI

bug

Status: Open.

#8405 In pymc-devs/pymc;

· MathisC22 opened on Aug 21, 2026

Support symbolic eta parameter in LKJCholeskyCov.logp

Status: Open.

#8403 In pymc-devs/pymc;

· sankhyanreyansh opened on Aug 21, 2026

check_parameters should support xtensor inputs

Status: Open.

#8398 In pymc-devs/pymc;

· williambdean opened on Aug 13, 2026

BUG: default fork worker segfaults for MvNormal/LKJ sampling on macOS arm64

Status: Open.

#8377 In pymc-devs/pymc;

· cetagostini opened on Jul 24, 2026

pm.sample segfaults on Apple Silicon: fork default + Accelerate BLAS

bug

macOSmacOS relatedmacOS related

Status: Open.

#8372 In pymc-devs/pymc;

· jessegrabowski opened on Jul 20, 2026

BUG: pm.sample(nuts_sampler="blackjax") fails during warmup with every blackjax >= 1.6

bug

jax

samplers

Status: Open.

#8367 In pymc-devs/pymc;

· janfb opened on Jul 16, 2026

BUG: nuts vectorized chain method arg raising in pymc>=6

bug

Status: Open.

#8366 In pymc-devs/pymc;

· janfb opened on Jul 16, 2026

BUG: JAX-backend fit leaves jax.Array in shared variable storage, breaking later numba-compiled functions (approx.sample)

Status: Open.

#8360 In pymc-devs/pymc;

· AlexanderFengler opened on Jul 13, 2026

BUG: pm.fit(..., backend="jax") fails for every model: ADVI approximation parameters lack static shapes

Status: Open.

#8359 In pymc-devs/pymc;

· AlexanderFengler opened on Jul 13, 2026

BUG: pm.sample can't disable init-value jitter for the external JAX samplers (numpyro/blackjax)

bug

Status: Open.

#8352 In pymc-devs/pymc;

· AlexanderFengler opened on Jul 9, 2026