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lerchphi loses hundreds of digits for 0<z<<1, complex a: error plateaus across wide dps ranges (e.g. 2.7e-127 for dps=300..500)

bugan unexpected problem or unintended behavioran unexpected problem or unintended behavior

Status: Open.

#1099 In mpmath/mpmath;

· brenowilson opened on Jun 12, 2026

·  

1.5

Add Brent root-finding algorithm

enhancementnew feature requests (or implementation)new feature requests (or implementation)

Status: Open.

#1095 In mpmath/mpmath;

· skirpichev opened on Jun 5, 2026

·  

1.5

gegenbauer(n, a, 0) fails to converge for odd integer n.

enhancementnew feature requests (or implementation)new feature requests (or implementation)

Status: Open.

#1077 In mpmath/mpmath;

· WarrenWeckesser opened on May 6, 2026

·  

1.5

Switch to Trusted Publishing for package upload to PyPI in CI

enhancementnew feature requests (or implementation)new feature requests (or implementation)

Status: Open.

#1069 In mpmath/mpmath;

· lmmx opened on Mar 25, 2026

·  

1.5

Better alternative to CHANGES?

docs

enhancementnew feature requests (or implementation)new feature requests (or implementation)

need decision

Status: Open.

#1064 In mpmath/mpmath;

· skirpichev opened on Mar 8, 2026

·  

1.5

Functions should use explicit arguments (including keyword arguments) when possible

API

enhancementnew feature requests (or implementation)new feature requests (or implementation)

Status: Open.

#1056 In mpmath/mpmath;

· skirpichev opened on Mar 4, 2026

·  

1.5

Implement to_str() option to output a minimal number of digits

enhancementnew feature requests (or implementation)new feature requests (or implementation)

Status: Open.

#1028 In mpmath/mpmath;

· skirpichev opened on Jan 22, 2026

·  

1.5

Slight optimization for log2(x).

enhancementnew feature requests (or implementation)new feature requests (or implementation)

Status: Open.

#1016 In mpmath/mpmath;

· haydenwong7bm opened on Oct 21, 2025

Crashes on PyPy3.11 v7.3.20+ with gmp/gmpy2

bugan unexpected problem or unintended behavioran unexpected problem or unintended behavior

Status: Open.

#1013 In mpmath/mpmath;

· skirpichev opened on Oct 12, 2025

·  

1.5

Port missing functions corresponding to the math module for compatibility.

enhancementnew feature requests (or implementation)new feature requests (or implementation)

Status: Open.

#1009 In mpmath/mpmath;

· haydenwong7bm opened on Oct 10, 2025

·  

1.5

plot(), cplot(), splot() show the previous blank graph windows when exception has been raised.

bugan unexpected problem or unintended behavioran unexpected problem or unintended behavior

Status: Open.

#1007 In mpmath/mpmath;

· haydenwong7bm opened on Oct 6, 2025

·  

1.5

Method of selecting a nonarbitrary branch for agm.

enhancementnew feature requests (or implementation)new feature requests (or implementation)

need decision

Status: Open.

#984 In mpmath/mpmath;

· haydenwong7bm opened on Jul 31, 2025