chore: release

[hugrbot]

🤖 New release

• hugr-model: 0.29.4 -> 0.30.0 (✓ API compatible changes)
• hugr-core: 0.29.4 -> 0.30.0 (✓ API compatible changes)
• hugr-llvm: 0.29.4 -> 0.30.0 (✓ API compatible changes)
• hugr-persistent: 0.7.8 -> 0.7.9 (✓ API compatible changes)
• hugr: 0.29.4 -> 0.30.0 (✓ API compatible changes)
• hugr-cli: 0.29.4 -> 0.30.0 (✓ API compatible changes)

Changelog

hugr-model

0.30.0 - 2026-09-03

New Features

• (hugr-model) Allow parsing literals as constants (#3230)

Performance

• Improve pest AST parsing (#3235)

hugr-core

0.30.0 - 2026-09-03

New Features

• (cli) include edge counts in describe output (#3209)
• (hugr-model) Allow parsing literals as constants (#3230)
• [breaking] Read ext version as optional in ExtensionDesc metadata (#3231)

Performance

• [breaking] Reuse shared types during HUGR import (#3215)
• Avoid various intermediate clones during op resolution (#3220)
• Cache serialized extensions to speed up encoding (#3210)
• Pre-compute hugr capacity when decoding a hugr-model (#3219)
• Avoid cloning signatures for simple port checks (#3149)

Refactor

• Add a shared TypeResolverContext to avoid repeated resolution (#3217)
• [breaking] Remove deprecated definitions (#3232)

hugr-llvm

0.30.0 - 2026-09-03

Performance

• [breaking] Reuse shared types during HUGR import (#3215)

Refactor

• [breaking] Remove deprecated definitions (#3232)

hugr-persistent

0.7.0 - 2026-06-05

New Features

• [breaking] do not require an Order edge for each nonlocal Ext edge; compute on demand in scheduling_graph() (#2951)
• (hugr-llvm) [breaking] Add support for emitting debug locations (#3026)
• [breaking] Add extension versions to hugr-model elements (#3080)

hugr

0.30.0 - 2026-09-03

New Features

• (cli) include edge counts in describe output (#3209)
• (hugr-model) Allow parsing literals as constants (#3230)
• [breaking] Read ext version as optional in ExtensionDesc metadata (#3231)

Performance

• [breaking] Reuse shared types during HUGR import (#3215)
• Avoid various intermediate clones during op resolution (#3220)
• Cache serialized extensions to speed up encoding (#3210)
• Pre-compute hugr capacity when decoding a hugr-model (#3219)
• Avoid cloning signatures for simple port checks (#3149)

Refactor

• Add a shared TypeResolverContext to avoid repeated resolution (#3217)
• [breaking] Remove deprecated definitions (#3232)

hugr-cli

0.30.0 - 2026-09-03

New Features

• (cli) include edge counts in describe output (#3209)
• [breaking] Read ext version as optional in ExtensionDesc metadata (#3231)

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This PR was generated with release-plz.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 81.63%. Comparing base (b146d6c) to head (8487a1f).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3216   +/-   ##
=======================================
  Coverage   81.63%   81.63%           
=======================================
  Files         242      242           
  Lines       47659    47659           
  Branches    41252    41252           
=======================================
  Hits        38906    38906           
  Misses       6729     6729           
  Partials     2024     2024           

Flag	Coverage Δ
python	89.38% <ø> (ø)

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[codspeed-hq]

Merging this PR will degrade performance by 8.85%

⚠️ Different runtime environments detected

Some benchmarks with significant performance changes were compared across different runtime environments,
which may affect the accuracy of the results.

Open the report in CodSpeed to investigate

❌ 2 regressed benchmarks
✅ 41 untouched benchmarks

Warning

Please fix the performance issues or acknowledge them on CodSpeed.

Performance Changes

	Benchmark	BASE	HEAD	Efficiency
❌	serialization/big_hugr/1048576/sexpr/without_extensions/decode	25 ms	27.4 ms	-8.87%
❌	serialization/big_hugr/1048576/sexpr/with_extensions/decode	25.1 ms	27.5 ms	-8.83%

Tip

Investigate this regression by commenting @codspeedbot fix this regression on this PR, or directly use the CodSpeed MCP with your agent.

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_{Comparing release-plz-2026-08-28T13-14-49Z (8487a1f) with main (b146d6c)}

[aborgna-q]

This release is mostly about performance improvements.

See codspeed comparison since hugr 0.29.4
https://app.codspeed.io/Quantinuum/hugr/runs/compare/6a5e3a32fab52714d3e3b7a5..6a5e3a32fab52714d3e3b7a5?page=1