Issues

• Convergence is judged in internal (homogenized) coordinates, so final_tolerance does not bound the error of the returned point

  nature - enhancementnature - mathematical correctnessproduct - core C++ library
  bertiniteam/b2#515 · Filter by author ofloveandhate opened on Oct 18, 2026 · 4.1 - recording system performant

• Classify an endpoint as singular by a trend (Newton's order, or the endgame's ladder), not by a magnitude

  nature - enhancementnature - mathematical correctnessproduct - core C++ library
  bertiniteam/b2#514 · Filter by author ofloveandhate opened on Oct 18, 2026

• Progress reporting starts tqdm's monitor thread even when nothing is drawn, and a fork while it holds tqdm's lock hangs the child

  bertiniteam/b2#513 · Filter by author ofloveandhate opened on Oct 17, 2026

• A context manager that sets the default precision for a block and restores it on exit

  bertiniteam/b2#512 · Filter by author ofloveandhate opened on Oct 17, 2026

• tracker.refine cannot be called from Python: result wants an Eigen lvalue; the three refine interfaces disagree

  bertiniteam/b2#511 · Filter by author ofloveandhate opened on Oct 13, 2026

• A tracker built from Python can outlive its System: segfault in System::Describe, garbage NumVariables

  bertiniteam/b2#510 · Filter by author ofloveandhate opened on Oct 13, 2026

• Inject tracker observers per path: a general tool, so a threaded solve's paths can be observed

  bertiniteam/b2#507 · Filter by author ofloveandhate opened on Oct 11, 2026 · 4.1 - recording system performant

• A path's metadata carries the endgame's last samples, under any number of threads

  bertiniteam/b2#504 · Filter by author ofloveandhate opened on Oct 8, 2026 · 4.1 - recording system performant

• Record Newton refinement, with metadata of its own that keeps every step norm

  bertiniteam/b2#503 · Filter by author ofloveandhate opened on Oct 7, 2026 · 4.1 - recording system performant

• macos runner version 14 will be deactivated, must move to newer in CI

  nature - continuous integration (CI)
  bertiniteam/b2#502 · Filter by author ofloveandhate opened on Oct 7, 2026 · 4.0.1

• SolutionMetaData's field list should be public and complete

  bertiniteam/b2#497 · Filter by author ofloveandhate opened on Oct 7, 2026 · 4.0.1

• Determinants of matrices of expression nodes in core

  bertiniteam/b2#496 · Filter by author ofloveandhate opened on Oct 7, 2026 · 4.1 - recording system performant

• The classic parser rejects names that begin with a reserved word (ex, energy, pivot, Iy): written systems do not parse back

  bertiniteam/b2#495 · Filter by author ofloveandhate opened on Oct 6, 2026

• to_classic_input loses multiprecision coefficient digits: text read back at a higher precision is a different system

  bertiniteam/b2#494 · Filter by author ofloveandhate opened on Oct 6, 2026 · 4.0.1

• newton_refine converges to the root of the coefficients rounded to the global default precision, not the system as written

  bertiniteam/b2#490 · Filter by author ofloveandhate opened on Oct 3, 2026 · 4.0.1

• pickles and archives don't store version information

  bertiniteam/b2#485 · Filter by author ofloveandhate opened on Sep 30, 2026 · 4.1 - recording system performant

• progress reporting needs to stay in C++ at very large path counts

  bertiniteam/b2#469 · Filter by author ofloveandhate opened on Sep 21, 2026 · 4.1 - recording system performant

• give pandas a real dtype for the multiprecision types (ExtensionArray)

  bertiniteam/b2#467 · Filter by author ofloveandhate opened on Sep 21, 2026 · 4.1 - recording system performant

• Remove ungrouped variables

  component - symbolicsnature - enhancementproduct - core C++ library
  bertiniteam/b2#442 · Filter by author ofloveandhate opened on Sep 17, 2026 · 4.1 - recording system performant

• Randomization and non-polynomial systems: does squaring up mean anything without degrees?

  component - symbolicsnature - questionpaper worthyproduct - core C++ library
  bertiniteam/b2#440 · Filter by author ofloveandhate opened on Sep 17, 2026

• Adaptive precision has no theory for non-polynomial systems: what replaces the degree bound?

  component - trackingnature - questionpaper worthyproduct - core C++ library
  bertiniteam/b2#439 · Filter by author ofloveandhate opened on Sep 17, 2026

• Adopt the MaRDI file format (.mrdi, JSON) for interchange and persistence

  bertiniteam/b2#421 · Filter by author ofloveandhate opened on Sep 15, 2026 · 4.1 - recording system performant

• Recall can return results a fresh run would not produce: the ask identity has no slot for the algorithm's own identity

  bertiniteam/b2#420 · Filter by author ofloveandhate opened on Sep 15, 2026 · 4.1 - recording system performant
  1

• Support interval scalar types, so a point can carry a rigorous enclosure instead of a claimed accuracy

  bertiniteam/b2#412 · Filter by author ofloveandhate opened on Sep 12, 2026

• is_singular is decided by a condition-number threshold, and misses solutions lying ON a positive-dimensional singular component

  nature - enhancementpaper worthyproduct - core C++ library
  bertiniteam/b2#409 · Filter by author ofloveandhate opened on Sep 11, 2026
  2