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@michaelosthege michaelosthege released this 14 Jan 14:20
· 1828 commits to main since this release
v4.0.0b2
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PyMC 4.0.0 beta 2

This beta release includes the removal of warnings, polishing of APIs, more distributions and internal refactorings.

Here is the full list of changes compared to 4.0.0b1.

For a current list of changes w.r.t. the upcoming v3.11.5 see RELEASE-NOTES.md.

Notable changes & features

  • Introduction of pm.Data(..., mutable=False/True) and corresponding pm.ConstantData/pm.MutableData wrappers (see #5295).
  • The warning about theano or pymc3 being installed in parallel was removed.
  • dims can again be specified alongside shape or size (see #5325).
  • pm.draw was added to draw prior samples from a variable (see #5340).
  • Renames of model properties & methods like Model.logpt.
  • A function to find a prior based on lower/upper bounds (see #5231).
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