Issues

• Allow training the normalizing flow on a different JAX device

  normalizing-flows
  pymc-devs/nutpie#368 · Filter by author jessegrabowski opened on Oct 21, 2026

• Flow adaptation fits much worse when the posterior scale is small

  bugnormalizing-flows
  pymc-devs/nutpie#367 · Filter by author jessegrabowski opened on Oct 21, 2026

• fit_to_data compiles about 26 XLA programs for every new window size

  normalizing-flows
  pymc-devs/nutpie#366 · Filter by author jessegrabowski opened on Oct 21, 2026

• Flows rebuilt with the same structure retrace every jitted function

  normalizing-flows
  pymc-devs/nutpie#365 · Filter by author jessegrabowski opened on Oct 21, 2026

• Contract2 returns -inf for large negative inputs in float32

  bugnormalizing-flows
  pymc-devs/nutpie#364 · Filter by author jessegrabowski opened on Oct 21, 2026

• Flow scale parameters underflow to 0 in float32 for posterior scales of 1e-4

  bugnormalizing-flows
  pymc-devs/nutpie#363 · Filter by author jessegrabowski opened on Oct 21, 2026

• adaptation="flow" fails with backend="numba": 'NoneType' object is not callable

  bugnormalizing-flowsrust
  pymc-devs/nutpie#362 · Filter by author jessegrabowski opened on Oct 21, 2026

• DipBij.inverse_and_log_det gives NaN gradients near y = sqrt(3) in float32

  bugnormalizing-flows
  pymc-devs/nutpie#361 · Filter by author jessegrabowski opened on Oct 20, 2026

• control scale of initialization randomness

  pymc-devs/nutpie#352 · Filter by author bob-carpenter opened on Sep 15, 2026
  1

• (un)constrained initialization for Stan (and PyMC?)

  pymc-devs/nutpie#351 · Filter by author bob-carpenter opened on Sep 15, 2026
  1

• init_mean passed, but never used

  pymc-devs/nutpie#350 · Filter by author bob-carpenter opened on Sep 15, 2026

• Make the PyMC/Numba frontend usable without _lib for WASM integration

  pymc-devs/nutpie#347 · Filter by author twiecki opened on Sep 11, 2026
  1

• BUG: TypingError using pt.tensor.linalg.eig within a pymc model

  bug
  pymc-devs/nutpie#344 · Filter by author albbalbbbalb opened on Sep 1, 2026
  3

• Type mismatch in raw logp return

  pymc-devs/nutpie#343 · Filter by author WardBrian opened on Aug 25, 2026

• zarr backend: non-ASCII variable names are percent-encoded in store keys

  pymc-devs/nutpie#337 · Filter by author velochy opened on Aug 7, 2026

• Stable PyMC-to-numba API?

  pymc-devs/nutpie#336 · Filter by author WardBrian opened on Aug 5, 2026
  13

• var_names is only honored for deterministic variables, not free variables

  pymc-devs/nutpie#315 · Filter by author aseyboldt opened on May 8, 2026

• Switch example to cmdstanpy

  pymc-devs/nutpie#300 · Filter by author aloctavodia opened on Apr 16, 2026

• Commas in variable names cause idata writing to fail if combined with transforms

  pymc-devs/nutpie#284 · Filter by author velochy opened on Mar 3, 2026
  1

• Explore removing pandas as dependency

  pymc-devs/nutpie#274 · Filter by author ricardoV94 opened on Jan 29, 2026
  4

• Nutpie fails to sample when RV changes shape following with_data

  bug
  pymc-devs/nutpie#267 · Filter by author ricardoV94 opened on Dec 9, 2025
  4

• High Memory Usage During Sampling

  pymc-devs/nutpie#265 · Filter by author Wmuntean opened on Dec 1, 2025
  4

• No progressbar in the notebook with ipykernel 7.0.0

  pymc-devs/nutpie#248 · Filter by author aseyboldt opened on Oct 15, 2025
  1

• Out-of-memory crashes after sampling completes with high tune despite save_warmup = False

  pymc-devs/nutpie#233 · Filter by author mike-lawrence opened on Aug 1, 2025
  2

• Parallelizing PyMC+Nutpie on an HPC node (Slurm)

  pymc-devs/nutpie#232 · Filter by author bersavosh opened on Jul 24, 2025