Issues

• [FR] Reusable Minuit2/MIGRAD components and a Migrad optimizer

  JuliaNLSolvers/Optim.jl#1282 · Filter by author mmikhasenko opened on Aug 30, 2026
  4

• Question about GPU-friendly L-BFGS optimizers

  JuliaNLSolvers/Optim.jl#1268 · Filter by author AdityaPandeyCN opened on Jul 21, 2026
  3

• Possible bug in LBFGSB solver

  JuliaNLSolvers/Optim.jl#1263 · Filter by author juliohm opened on Jun 25, 2026
  12

• Preconditionner unused (silently) with Fminbox

  JuliaNLSolvers/Optim.jl#1260 · Filter by author raminammour opened on Jun 11, 2026
  7

• Assertion error hit during optimization

  JuliaNLSolvers/Optim.jl#1255 · Filter by author Ickaser opened on May 14, 2026
  15

• Add resets to methods when line search fails to improve robustness

  JuliaNLSolvers/Optim.jl#1254 · Filter by author pkofod opened on May 11, 2026
  1

• IPNewton throws MethodError for bounds-constrained optimization with AutoForwardDiff

  Bug

  JuliaNLSolvers/Optim.jl#1243 · Filter by author ForceBru opened on Apr 10, 2026
  1

• Nelder-Mead stops prematurely if function returns Inf

  JuliaNLSolvers/Optim.jl#1231 · Filter by author MaximilianWollner opened on Jan 30, 2026
  9

• Proposal: Domain-safe L1 penalty wrapper for box constraints (alternative/complement to Fminbox)

  JuliaNLSolvers/Optim.jl#1225 · Filter by author UweAlex opened on Dec 19, 2025
  1

• Non-exclusive termination codes

  JuliaNLSolvers/Optim.jl#1220 · Filter by author devmotion opened on Dec 4, 2025

• NewtonTrustRegion algorithm deviates from reference

  JuliaNLSolvers/Optim.jl#1214 · Filter by author devmotion opened on Nov 27, 2025
  1

• Particle Swarm Optimization: possible typo in clamping of c2 in update_swarm_params!()

  JuliaNLSolvers/Optim.jl#1203 · Filter by author fvmarcoline opened on Nov 7, 2025

• Release note issue for v2.0

  JuliaNLSolvers/Optim.jl#1185 · Filter by author pkofod opened on Oct 31, 2025

• Clean up "converged"

  JuliaNLSolvers/Optim.jl#1183 · Filter by author pkofod opened on Oct 31, 2025

• Support for specialized matrix types (e.g., BlockBandedMatrices) with optimized solvers

  JuliaNLSolvers/Optim.jl#1170 · Filter by author rsenne opened on Jun 3, 2025
  14

• Implement Shubert-Piyavskii for multimodal deterministic global optimization

  featureunivariate
  JuliaNLSolvers/Optim.jl#1168 · Filter by author Luis-Varona opened on Apr 30, 2025
  7

• -Inf as lower boundary for non-linear constraint

  JuliaNLSolvers/Optim.jl#1165 · Filter by author PaulSoderlind opened on Apr 17, 2025
  1

• NelderMead should get its own crit tolerance in options

  JuliaNLSolvers/Optim.jl#1146 · Filter by author pkofod opened on Mar 28, 2025

• Use Logging for trace output

  JuliaNLSolvers/Optim.jl#1145 · Filter by author pkofod opened on Mar 28, 2025
  1

• Selectively store trace elements

  JuliaNLSolvers/Optim.jl#1144 · Filter by author pkofod opened on Mar 28, 2025

• Remove x_tol when abs and reltol are available

  BREAKING
  JuliaNLSolvers/Optim.jl#1143 · Filter by author pkofod opened on Mar 28, 2025

• SAMIN doesn't converge

  JuliaNLSolvers/Optim.jl#1137 · Filter by author pkofod opened on Mar 25, 2025
  1

• Regularization for Newton's methods

  JuliaNLSolvers/Optim.jl#1126 · Filter by author kbarros opened on Jan 21, 2025
  3

• Parallel ParticleSwarm?

  JuliaNLSolvers/Optim.jl#1124 · Filter by author sgaure opened on Jan 18, 2025
  3

• Fails to converge with autodiff = :forward

  JuliaNLSolvers/Optim.jl#1123 · Filter by author EdsterG opened on Jan 17, 2025
  1