Quantinuum/hugr

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Hierarchical Unified Graph Representation for quantum and classical programs

Stars: 71
Forks: 18
Open beginner issues: 2
Indexed issues: 215
Avg merge: 22h 26m
Merged PRs (30d): 34

Dominant language: Rust
License: Apache-2.0
Last GitHub push: Sep 17, 2026
Latest indexed: Sep 19, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

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215 open issues indexed

[Docs] Beginner tutorial - traversing graphs Open

Quantinuum/hugr#3271 · 1 assignee · Opened Sep 17, 2026
[Docs] Beginner tutorial - guppy-generated graphs Open

Quantinuum/hugr#3270 · 1 assignee · Opened Sep 17, 2026
[Docs] Beginner tutorial - construction Open

Quantinuum/hugr#3269 · 1 assignee · Opened Sep 17, 2026
[Feature]: Protocol for cross-library hugr-py sharing Open

C-feature-request S-needs-triage

Quantinuum/hugr#3261 · 1 assignee · Opened Sep 14, 2026
[Feature]: Static function pointers Open

C-feature-request S-needs-triage

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

Quantinuum/hugr#3260 · Opened Sep 14, 2026
[Refactor]: Remove `render_str` implementation from `OpTrait` and `DataflowOpTrait` Open

C-refactor

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

Quantinuum/hugr#3259 · Opened Sep 14, 2026
[Feature]: supporting METRICS in `QsysResult.collated_shots()` Open

C-feature-request S-needs-triage

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

Quantinuum/hugr#3233 · Opened Sep 2, 2026
[Docs]: Advanced tutorial - passes section Open

A-documentation

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

Quantinuum/hugr#3228 · Opened Sep 1, 2026
[Docs]: Advanced tutorial - extension section Open

A-documentation

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

Quantinuum/hugr#3227 · Opened Sep 1, 2026
[Docs]: Advanced tutorial - construction section Open

A-documentation

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

Quantinuum/hugr#3226 · Opened Sep 1, 2026
[Docs]: Advanced Rust tutorial Open

A-documentation

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

Quantinuum/hugr#3225 · Opened Sep 1, 2026
[Docs] Beginner Python tutorial Open

A-documentation

Quantinuum/hugr#3224 · 1 comment · 1 assignee · Opened Sep 1, 2026
[Docs]: HUGR representations guide Open

A-documentation

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

Quantinuum/hugr#3223 · Opened Sep 1, 2026
[Feature]: Print qualified op / type names in validation errors Open

A-rust C-feature-request C-refactor D-easy P-help-wanted

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

Quantinuum/hugr#3201 · 1 comment · Opened Aug 12, 2026
[Tracking issue][Performance]: Avoid pathological LLVM inputs Open

C-perf C-tracking-issue

Quantinuum/hugr#3198 · 1 assignee · Opened Aug 7, 2026
[Tracking issue][Performance]: Hugr-model import/export performance Open

C-perf C-tracking-issue

Quantinuum/hugr#3197 · 1 comment · 1 assignee · Opened Aug 7, 2026
[Feature]: Add `to_json` to Python `ExtensionRegistry` to match Rust `ExtensionRegistry::load_json` Open

C-feature-request S-needs-triage

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

Quantinuum/hugr#3193 · Opened Aug 4, 2026
[Bug]: Error serializing hugr with auto-wrapped DFG taking generic type Open

A-python C-bugfix

Difficulty 3/5 1-2 days Newbie friendliness 58/100

Quantinuum/hugr#3189 · 3 comments · Opened Jul 30, 2026
[Performance]: Local variable threading causes LLVM slow-downs Open

C-perf S-needs-triage

Quantinuum/hugr#3169 · 4 comments · 1 assignee · Opened Jul 16, 2026
[Bug]: Integer underflow when exporting Hugr module with an empty main Open

C-bugfix

Quantinuum/hugr#3161 · 1 comment · 1 reaction · 1 assignee · Opened Jul 15, 2026
[Feature]: Type-only serialisation/deserialisation utility Open

A-rust C-feature-accepted C-feature-request D-hard

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

Quantinuum/hugr#3124 · 1 comment · Opened Jun 24, 2026
[Feature]: Add a RenderConfig option to avoid showing 'build-in' functions Open

A-python C-feature-request

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

Quantinuum/hugr#3112 · Opened Jun 15, 2026
[Feature]: Ensure extension pointers inside a Hugr remain valid Open

A-rust C-feature-accepted C-feature-request D-hard S-breaking-change

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

Quantinuum/hugr#3097 · Opened Jun 5, 2026
[Bug]: Invalid text envelope generation Open

C-bugfix

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

Quantinuum/hugr#3088 · 3 comments · Opened Jun 3, 2026
[Feature]: Make extension version in opaque ops and types non-optional Open

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

Quantinuum/hugr#3086 · Opened Jun 2, 2026
[Bug]: Mermaid renderer creates "invalid" mermaid for self-recursive function Open

A-rust C-bugfix

Difficulty 3/5 1-2 days Newbie friendliness 48/100

Quantinuum/hugr#3084 · 1 comment · Opened Jun 1, 2026
[Feature]: Add a `hugr-migrate` subcrate which provides older std extension migrations Open

Quantinuum/hugr#3078 · 1 assignee · Opened May 27, 2026
[Feature]: Extensions should specify the semver of their dependencies Open

C-feature-request

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

Quantinuum/hugr#3068 · 1 comment · Opened May 20, 2026
[Tracking issue]: Explicit metadata transformation APIs Open

A-rust C-tracking-issue

Quantinuum/hugr#3043 · 1 comment · 1 assignee · Opened Apr 28, 2026
[Feature]: Allow asserting that a package contains no reachable function declarations Open

A-python A-rust C-feature-request D-easy

Difficulty 3/5 1-2 days Newbie friendliness 65/100

Quantinuum/hugr#3042 · Opened Apr 28, 2026
[Feature]: Linking should allow control over metadata Open

C-feature-request

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

Quantinuum/hugr#3028 · 1 comment · Opened Apr 21, 2026
[Feature]: Remove serde impls for core types. Open

A-rust C-refactor S-breaking-change

Quantinuum/hugr#3007 · 1 assignee · Opened Apr 1, 2026
[Docs]: Conceptual guide and getting started tutorial Open

A-documentation

Quantinuum/hugr#2981 · 7 comments · 2 assignees · Opened Mar 25, 2026
[Feature]: Move `futures` extension from tket2.qsystem into hugr standard extensions Open

C-feature-request S-breaking-change S-needs-triage

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

Quantinuum/hugr#2942 · 1 comment · 1 reaction · Opened Mar 12, 2026
`Block` in hugr model cannot express `other_outputs` Open

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

Quantinuum/hugr#2833 · Opened Jan 22, 2026
(hugr-model) Model round-trip panics with `AliasDecl` Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

Quantinuum/hugr#2828 · 1 comment · Opened Jan 21, 2026
(hugr-model) Serialization round-trip changes structure Open

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

Quantinuum/hugr#2826 · 2 comments · Opened Jan 21, 2026
Add `CallIndirect` to spec Open

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

Quantinuum/hugr#2824 · Opened Jan 20, 2026
Copying Map in `insert_view_link_by_node` Open

C-perf

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

Quantinuum/hugr#2801 · Opened Jan 6, 2026
`Hugr::canonicalize_nodes()` doesn't modify metadata Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

Quantinuum/hugr#2790 · Opened Jan 5, 2026
(hugr-py): `Node` should reference `NodeData` rather than its parts Open

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

Quantinuum/hugr#2769 · Opened Dec 18, 2025
Linking: temporary publicity Open

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

Quantinuum/hugr#2766 · Opened Dec 17, 2025
Unify `Value` with `Term` Open

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

Quantinuum/hugr#2756 · Opened Dec 12, 2025
Spec full read through and edit Open

A-spec

Quantinuum/hugr#2741 · 3 assignees · Opened Dec 9, 2025
`TypeBound` is sometimes underdetermined when importing from model Open

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

Quantinuum/hugr#2722 · Opened Nov 28, 2025
Further linking ideas (speculative) Open

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

Quantinuum/hugr#2687 · Opened Nov 17, 2025
PersistentHugr's `HugrView::children` does not guarantee ordering Open

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

Quantinuum/hugr#2618 · 1 reaction · Opened Oct 12, 2025
hugr-llvm: linkage for entry point is not marked public Open

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

Quantinuum/hugr#2615 · Opened Oct 9, 2025
Add `node_ports_of_kind` to optype Open

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

Quantinuum/hugr#2608 · 1 reaction · Opened Oct 6, 2025
Serialization ignores `Const` nodes Open

C-bugfix

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

Quantinuum/hugr#2585 · Opened Sep 24, 2025

Quantinuum/hugr

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