TuringLang/Bijectors.jl

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Implementation of normalising flows and constrained random variable transformations

Stars: 277
Forks: 45
Open beginner issues: 0
Indexed issues: 39
Avg merge: 2m
Merged PRs (30d): 1

Dominant language: Julia
License: MIT
Last GitHub push: Sep 6, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue

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39 open issues indexed

`inverse` should be tested for vector bijectors Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

TuringLang/Bijectors.jl#454 · Opened Mar 30, 2026
Bijectors for mixture models do not really map to unconstrained space if components have disjoint support Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

TuringLang/Bijectors.jl#442 · Opened Feb 27, 2026
new bijector for JointOrderStatistics can be numerically unstable sometimes Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

TuringLang/Bijectors.jl#441 · 3 comments · Opened Feb 27, 2026
inverse of VecCorrBijector returns matrices which don't have (exactly) ones on diagonal Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

TuringLang/Bijectors.jl#435 · Opened Jan 17, 2026
`bijector(product_distribution(::A, ::B))` fails (for `A != B`) Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

TuringLang/Bijectors.jl#419 · Opened Oct 17, 2025
RationalQuadraticSpline parameter ordering issue Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

TuringLang/Bijectors.jl#400 · 2 comments · Opened Jul 19, 2025
LKJ bijector numerical stability issues / `DomainError with -1.0` Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

TuringLang/Bijectors.jl#387 · 1 comment · 1 reaction · Opened May 23, 2025
Truncated logabsdetjac forward / inverse inconsistency Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

TuringLang/Bijectors.jl#375 · 2 comments · Opened Mar 21, 2025
GPU support for NormalizingFlows.jl and Bijectors.jl Open

good first issue

Difficulty 5/5 Over a week Newbie friendliness 25/100

TuringLang/Bijectors.jl#371 · Opened Mar 11, 2025
Batched support for `NormalizingFlows.jl` and `Bijectors.jl` Open

good first issue

Difficulty 5/5 Over a week Newbie friendliness 25/100

TuringLang/Bijectors.jl#370 · 1 comment · Opened Mar 11, 2025
Improve `with_logabsdet_jacobian` performance for `SimplexBijector` Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

TuringLang/Bijectors.jl#303 · 1 comment · Opened Apr 15, 2024
Fixes to correlation bijectors Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

TuringLang/Bijectors.jl#301 · 1 comment · 5 reactions · Opened Mar 8, 2024
Bijectors.ordered and MvLogNormal interaction .. only supported for unconstrained distributions. Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

TuringLang/Bijectors.jl#295 · 1 comment · Opened Nov 30, 2023
Missing implementation of `Bijectors.bijector` for `arraydist` distributions. Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

TuringLang/Bijectors.jl#294 · 1 comment · Opened Nov 16, 2023
Matrix factorization bijectors Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

TuringLang/Bijectors.jl#274 · 5 comments · 1 reaction · Opened Jun 20, 2023
Improve `PDVecBijector` Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

TuringLang/Bijectors.jl#272 · Opened Jun 19, 2023
What to do with `CorrBijector` ? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

TuringLang/Bijectors.jl#268 · 1 comment · Opened Jun 12, 2023
`logpdf` of `UnivariateTransformed` produces `StackOverflowError` Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

TuringLang/Bijectors.jl#251 · 7 comments · Opened Mar 24, 2023
Add `rng` to have the reproducibility in `PlanarLayer` and `RadialLayer` Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

TuringLang/Bijectors.jl#244 · Opened Feb 2, 2023
Remove heavy usage of `@generated` Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

TuringLang/Bijectors.jl#233 · 1 reaction · Opened Oct 7, 2022
SimplexBijector tests fails on boundary Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

TuringLang/Bijectors.jl#232 · Opened Oct 6, 2022
CorrBijector makes posterior improper Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

TuringLang/Bijectors.jl#228 · 7 comments · Opened Aug 5, 2022
MethodError: no method matching bijector(::MixtureModel{Multivariate, Continuous, MvNormal, Float64}) Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

TuringLang/Bijectors.jl#227 · 1 comment · Opened Aug 2, 2022
Problem compiling an app with Turing Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

TuringLang/Bijectors.jl#226 · Opened Jul 6, 2022
`Bijectors.ordered(d)` is incorrect if `bijector(d)` is not `Identity` Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

TuringLang/Bijectors.jl#220 · 1 comment · 1 reaction · Opened May 19, 2022
Matrix Variate Bijectors - Lower/Uppertriangular transforms Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

TuringLang/Bijectors.jl#215 · Opened Mar 30, 2022
MethodError: no method matching `(::Inverse)...` Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

TuringLang/Bijectors.jl#200 · Opened Oct 6, 2021
TransformVariables-like example? Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

TuringLang/Bijectors.jl#197 · 6 comments · Opened Aug 25, 2021
PosDef issues with InverseWishart? Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

TuringLang/Bijectors.jl#170 · 3 comments · Opened Mar 16, 2021
Do we really need isclosedform anymore? Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

TuringLang/Bijectors.jl#159 · Opened Jan 8, 2021
Broadcasting? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

TuringLang/Bijectors.jl#145 · 4 comments · Opened Nov 6, 2020
Implementing a custom bijector is a hassle: solve by adding macro? Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

TuringLang/Bijectors.jl#137 · 3 comments · Opened Sep 12, 2020
LKJ follow-up Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

TuringLang/Bijectors.jl#134 · 5 comments · Opened Aug 24, 2020
`logpdf_with_trans` is not consistent with `Distributions.logpdf` Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

TuringLang/Bijectors.jl#120 · 2 comments · Opened Jun 26, 2020
Add SphereBijector and AngleBijector Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

TuringLang/Bijectors.jl#58 · 12 comments · 1 reaction · Opened Dec 8, 2019
Showing Input-Output dimensions Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

TuringLang/Bijectors.jl#50 · 1 comment · Opened Oct 25, 2019
Overloading `Base.show` Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

TuringLang/Bijectors.jl#47 · 7 comments · 5 reactions · Opened Sep 18, 2019
Rename `rv` from `forward(b::Bijector, x)` result Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

TuringLang/Bijectors.jl#41 · 10 comments · Opened Sep 3, 2019
Rename `logpdf_with_trans` to `logpdf_with_jacobian`? Open

enhancement

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

TuringLang/Bijectors.jl#26 · 6 comments · Opened Apr 17, 2019

TuringLang/Bijectors.jl

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