What's Changed
* Automated update to backend: v0.22.3 by MilesCranmer in https://github.com/MilesCranmer/PySR/pull/409
Backend changes
- CompatHelper: bump compat for DynamicExpressions to 0.13, (keep existing compat) by github-actions in https://github.com/MilesCranmer/SymbolicRegression.jl/pull/250
- Fix type stability of deterministic mode by MilesCranmer in https://github.com/MilesCranmer/SymbolicRegression.jl/pull/251
- Faster random sampling of nodes by MilesCranmer in https://github.com/MilesCranmer/SymbolicRegression.jl/pull/252
- Faster copying of MutationWeights by MilesCranmer in https://github.com/MilesCranmer/SymbolicRegression.jl/pull/253
- Hotfix for breaking change in Optim.jl by MilesCranmer in https://github.com/MilesCranmer/SymbolicRegression.jl/pull/256
**Backend changes**: https://github.com/MilesCranmer/SymbolicRegression.jl/compare/v0.22.2...v0.22.3
**Frontend changes**: https://github.com/MilesCranmer/PySR/compare/v0.16.1...v0.16.2