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pt.linalg.kron destroys static shape information

beginner friendly

linalgLinear algebraLinear algebra

shape inference

Status: Open.

#1867 In pymc-devs/pytensor;

· jessegrabowski opened on Jan 31, 2026

local_block_diag_dot_to_dot_block_diag fails when BlockDiag Op has 1 input

bugSomething isn't workingSomething isn't working

graph rewriting

linalgLinear algebraLinear algebra

Status: Open.

#1864 In pymc-devs/pytensor;

· jessegrabowski opened on Jan 30, 2026

When <code>pytensor.sparse.structured_dot(x, y)</code> returns a sparse matrix, it uses the format of <code>x</code>

request discussion

Status: Open.

#1856 In pymc-devs/pytensor;

· tomicapretto opened on Jan 21, 2026

<code>pytensor.sparse.dot</code> returns a dense matrix even when both inputs are sparse

gradients

graph rewriting

request discussion

sparse variables

Status: Open.

#1855 In pymc-devs/pytensor;

· tomicapretto opened on Jan 21, 2026

Move the <code>Reshape</code> Op and <code>reshape</code> helper to <code>reshape.py</code>

help wantedExtra attention is neededExtra attention is needed

maintenance

Status: Open.

#1852 In pymc-devs/pytensor;

· jessegrabowski opened on Jan 18, 2026

·  

3.0 release

Rewrite <code>argmax(f(x)</code> -&gt; argmax(x)` for monotonic f

graph rewriting

Status: Open.

#1851 In pymc-devs/pytensor;

· ricardoV94 opened on Jan 17, 2026

Batched dot doesn't support complex inputs

help wantedExtra attention is neededExtra attention is needed

linalgLinear algebraLinear algebra

NumPy compatibility

Status: Open.

#1849 In pymc-devs/pytensor;

· jessegrabowski opened on Jan 16, 2026

Clean up linalg-related modules

help wantedExtra attention is neededExtra attention is needed

linalgLinear algebraLinear algebra

maintenance

Status: Open.

#1848 In pymc-devs/pytensor;

· jessegrabowski opened on Jan 14, 2026

Consider adding alternative axis argument to <code>unpack</code>

Op implementation

request discussion

Status: Open.

#1845 In pymc-devs/pytensor;

· ricardoV94 opened on Jan 12, 2026

Generalize (join|split)_dims to work with arbitrary axes locations

enhancementNew feature or requestNew feature or request

request discussion

Status: Open.

#1844 In pymc-devs/pytensor;

· ricardoV94 opened on Jan 12, 2026

·  

3.0 release

Specialize (join|split)_dims rewrite

beginner friendly

graph rewriting

Status: Open.

#1843 In pymc-devs/pytensor;

· ricardoV94 opened on Jan 12, 2026

Remove scipy version pin in CI

GitHub CI/CD

linalgLinear algebraLinear algebra

memory optMemory optimizationMemory optimization

SciPy compatibility

Status: Open.

#1841 In pymc-devs/pytensor;

· ricardoV94 opened on Jan 12, 2026