TuringLang/DynamicPPL.jl

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Implementation of domain-specific language (DSL) for dynamic probabilistic programming

Stars: 286
Forks: 41
Open beginner issues: 0
Indexed issues: 39
Avg merge: 1d 11h
Merged PRs (30d): 34

Dominant language: Julia
License: MIT
Last GitHub push: Sep 16, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue

Beginner friendly Everything

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39 open issues indexed

Support pointwise marginal log-densities Open

Difficulty 4/5 3-5 days Newbie friendliness 64/100

TuringLang/DynamicPPL.jl#1499 · Opened Sep 16, 2026
Pass stochastic-state schemas through the unified evaluation context Open

enhancement

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

TuringLang/DynamicPPL.jl#1480 · Opened Sep 4, 2026
Separate model-evaluation inputs from outputs Open

data-structures enhancement

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

TuringLang/DynamicPPL.jl#1469 · Opened Aug 31, 2026
Replace `missing`-based latent selection with preallocation and conditioning Open

breaking-change missing-values modelling-syntax

Difficulty 5/5 Over a week Newbie friendliness 38/100

TuringLang/DynamicPPL.jl#1464 · 1 comment · 1 reaction · Opened Aug 29, 2026
check_model=true (the default) silently consumes draws from the caller's RNG, breaking manual per-chain seed reproduction Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 64/100

TuringLang/DynamicPPL.jl#1466 · 1 comment · Opened Aug 8, 2026
Full specification for `@model` syntax and associated model operations Open

documentation

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

TuringLang/DynamicPPL.jl#1390 · 2 comments · Opened May 8, 2026
Remove MarginalLogDensitiesExt Open

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

TuringLang/DynamicPPL.jl#1388 · Opened May 7, 2026
Rename `OnlyAccsVarInfo` to `VarInfo` Open

data-structures

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

TuringLang/DynamicPPL.jl#1376 · 1 comment · Opened Apr 29, 2026
`pointwise_logdensities`, `returned`, `logjoint`, etc. APIs are weird Open

good first issue interface-design

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

TuringLang/DynamicPPL.jl#1332 · 3 comments · Opened Mar 22, 2026
Creating empty templated VNTs Open

data-structures enhancement

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

TuringLang/DynamicPPL.jl#1283 · Opened Feb 23, 2026
VNT: Generalising PartialArrays Open

data-structures enhancement

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

TuringLang/DynamicPPL.jl#1263 · 4 comments · Opened Feb 6, 2026
Reconstructing Cholesky variables from their indices gives wrong result in VNT Open

data-structures enhancement

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

TuringLang/DynamicPPL.jl#1262 · Opened Feb 6, 2026
Make `unflatten!!` return an `AbstractInitStrategy` Open

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

TuringLang/DynamicPPL.jl#1252 · 1 comment · Opened Feb 3, 2026
VNTs and submodels Open

data-structures enhancement

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

TuringLang/DynamicPPL.jl#1246 · 1 reaction · Opened Feb 2, 2026
Merge of two VNTs can drop results when one contains a PartialArray and the other a full Array Open

data-structures enhancement

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

TuringLang/DynamicPPL.jl#1245 · Opened Feb 2, 2026
`delete!!` method on VNT Open

data-structures enhancement

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

TuringLang/DynamicPPL.jl#1239 · Opened Feb 1, 2026
Get rid of PrefixContext & make submodels much better Open

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

TuringLang/DynamicPPL.jl#1221 · 1 comment · Opened Jan 24, 2026
VNT docs: more things to elaborate on Open

data-structures enhancement

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

TuringLang/DynamicPPL.jl#1209 · Opened Jan 20, 2026
Known issues with VNT, part 3 -- multiindex-upon-multiindex can give wrong keys with ArrayLikeBlocks Open

data-structures enhancement

Difficulty 4/5 3-5 days Newbie friendliness 28/100

TuringLang/DynamicPPL.jl#1208 · 1 comment · Opened Jan 20, 2026
Known issues with VNT, part 2 -- type stability when overwriting deeply nested values Open

data-structures enhancement

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

TuringLang/DynamicPPL.jl#1207 · Opened Jan 20, 2026
VNT: VarInfo mop-up Open

data-structures enhancement

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

TuringLang/DynamicPPL.jl#1201 · 1 comment · Opened Jan 15, 2026
VNT: Improve use of `typejoin` in VarNamedTuple Open

data-structures enhancement performance

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

TuringLang/DynamicPPL.jl#1192 · Opened Jan 6, 2026
Make tests less specific to a particular model Open

enhancement

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

TuringLang/DynamicPPL.jl#1174 · 6 comments · Opened Dec 12, 2025
`hasvalue(p.params, vn, dist)` Open

enhancement

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

TuringLang/DynamicPPL.jl#1138 · Opened Nov 12, 2025
Handle fixing and conditioning together Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 38/100

TuringLang/DynamicPPL.jl#1012 · Opened Aug 6, 2025
Dynamic models with index notation Open

enhancement

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

TuringLang/DynamicPPL.jl#1008 · 2 comments · Opened Aug 4, 2025
`unflatten` alone considered harmful Open

enhancement

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

TuringLang/DynamicPPL.jl#995 · Opened Jul 20, 2025
(speculative) turn `model.f` parameters into ConditionContext Open

enhancement

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

TuringLang/DynamicPPL.jl#958 · 7 comments · Opened Jun 24, 2025
Don't use deepcopy Open

enhancement

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

TuringLang/DynamicPPL.jl#944 · Opened May 30, 2025
Drop implicit broadcasting of observations Open

enhancement low priority modelling-syntax

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

TuringLang/DynamicPPL.jl#919 · 5 comments · 2 reactions · Opened May 14, 2025
Logp type should be separate from variable type - this needs AD extensions Open

enhancement

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

TuringLang/DynamicPPL.jl#906 · 2 comments · 1 reaction · Opened May 2, 2025
Warn on `±Inf` in `check_model` Open

enhancement

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

TuringLang/DynamicPPL.jl#889 · 1 comment · Opened Apr 10, 2025
rename `LogDensityFunction` to `VarNamedLogDensity` Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 28/100

TuringLang/DynamicPPL.jl#880 · 7 comments · Opened Apr 1, 2025
Drop `.~` syntax entirely Open

breaking-change modelling-syntax

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

TuringLang/DynamicPPL.jl#825 · 5 comments · 1 reaction · Opened Feb 28, 2025
Do we still need parametric types in model definition for autodiff? Open

enhancement

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

TuringLang/DynamicPPL.jl#823 · 3 comments · Opened Feb 27, 2025
Add tests for type stability Open

tests

TuringLang/DynamicPPL.jl#777 · 3 comments · 1 assignee · Opened Jan 13, 2025
Remove `NoDist` in favour of `fix`. Open

breaking-change modelling-syntax

Difficulty 2/5 1-3 hours Newbie friendliness 50/100

TuringLang/DynamicPPL.jl#760 · 1 reaction · Opened Dec 19, 2024
Simplify the context mechanism in DynamicPPL Open

enhancement

TuringLang/DynamicPPL.jl#895 · 20 comments · 1 reaction · 1 assignee · Opened Dec 5, 2024
Should we always pass `rng` to the model? Open

enhancement

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

TuringLang/DynamicPPL.jl#721 · 8 comments · Opened Nov 26, 2024

TuringLang/DynamicPPL.jl

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