Sage 10.9.beta2 released

[Volker Braun]

As always, you can get the latest beta version from the "develop" git branch. Alternatively, the self-contained source tarball is at http://www.sagemath.org/download-latest.html

565f7eced5f (tag: 10.9.beta2, github/develop) Updated SageMath version to 10.9.beta2
1b5a5dd78b5 gh-41395: Fix test failures with pyparsing 3.3
34ba69bafc5 gh-41394: Fix one more doctest failure with Python 3.14
9837e722d76 gh-41392: remove some deprecated stuff in modules
d0466ce5767 gh-41391: Fix inline literal interpreted as LaTeX math
b1796e26135 gh-41385: remove some deprecated material in interfaces
c5e75433344 gh-41384: remove deprecated stuff in homology
242e1fb1209 gh-41383: remove some deprecated stuff in groups
3f91b4b1c73 gh-41382: remove deprecated stuff in geometry
0ca70d0aa6a gh-41381: remove deprecated stuff in data_structures
9d81532bfa6 gh-41380: remove deprecated functions in algebras/
abdbdeab044 gh-41379: remove some deprecated things in combinat/
f76a06b5e86 gh-41378: a bunch of typos
b8c381fc984 gh-41373: The bases for the free Lie algebras are graded bases
e975db81354 gh-41371: Improve printing of elements of free nilpotent Lie algebra
deafe32bdf0 gh-41369: various small changes in combinat/
d42459e5a2f gh-41360: bump memory_allocator to 0.2.0
af67015a2fd gh-41358: Remove unused variables (mostly SAGE_VENV)
449dbde5d79 gh-41350: some cleanup in lie_conformal_algebras/
1eee112c9db gh-41347: bump cddlib to 0.94n
380949e6eed gh-41346: Fix execution_count for newer ipython version
56f67c507ef gh-41345: fix Laplace transform doctests
5fb0dee7ab4 gh-41341: bump primecount to 8.0 and primecountpy to 0.2.1
14ca933f6c3 gh-41340: RealSet: Implement simplest_rational for RealSet
87627f3172c gh-41323: some type annotations in categories/examples
be619561422 gh-41309: RDF[] for libsingular, delegate ideal comparison and `.divides()` to singular
e79d621a09d gh-41306: Implement Polynomial_real_arb
eb86861049d gh-41247: Update FLINT package version and checksums to 3.4.0
e46eb0f6271 gh-41142: Docs: unconditionally show plain Python example
1a14a417aed gh-40999: implement the lattices of sashes and pellytopes
38c57e0c680 gh-40945: introduce the category of graded lattices
5b824675148 gh-40465: using pari for elliptic and Eisenstein L-series
845d8d42edc gh-39909: Remove some confusion in gap interface conversion method
3bfcc2bde13 gh-39383: use decomposition into bi/tri-connected components and atoms for iterating over minimal separators
4015f9189b6 (tag: 10.9.beta1) Updated SageMath version to 10.9.beta1

[Jaap Spies]

On Fedora 42 upgraded from beta1, with  CC=gcc-14 CXX=g++-14 FC=gfortran-14

----------------------------------------------------------------------
All tests passed!
----------------------------------------------------------------------
Total time for all tests: 739.7 seconds
   cpu time: 5181.2 seconds
   cumulative wall time: 4718.6 seconds

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[John H Palmieri]

With Python3.14 on OS X, I am seeing some doctests fail because of the warning message

"DeprecationWarning: codecs.open() is deprecated. Use open() instead."

(At least I think this is due to using Python3.14.) For example I see failures in sage/misc/sageinspect.py, sage/doctest/forker.py, and others. Perhaps take care of this for now by removing the warning text in sage/doctest/parsing.py?

[Dima Pasechnik]

On Sat, Jan 10, 2026 at 9:11 PM John H Palmieri <jhpalm...@gmail.com> wrote:
>
> With Python3.14 on OS X, I am seeing some doctests fail because of the warning message
>
> "DeprecationWarning: codecs.open() is deprecated. Use open() instead."
>
> (At least I think this is due to using Python3.14.) For example I see failures in sage/misc/sageinspect.py, sage/doctest/forker.py, and others. Perhaps take care of this for now by removing the warning text in sage/doctest/parsing.py?

These come from cython.

https://github.com/sagemath/sage/pull/41409

takes care of this by updating cython to the version where these are fixed.

Dima

> To view this discussion visit https://groups.google.com/d/msgid/sage-release/a5102c5a-aab0-4457-8ce5-15354caa4dcen%40googlegroups.com.