chore: release

[hugrbot]

🤖 New release

• tket: 0.17.0 -> 0.18.0 (✓ API compatible changes)
• tket-qsystem: 0.23.0 -> 0.24.0 (✓ API compatible changes)

Changelog

tket

0.18.0 - 2026-04-02

Bug Fixes

• (pytket decoder) Panic on repeated bit registers in pytket decoded output (#1445)
• pytket encoder drops order edges to the output node (#1466)

Documentation

• Fix tket README introductory example (#1463)

New Features

• [breaking] Use raw Hugrs in pytket encoding/decoding API (#1418)
• [breaking] Remove unused lower_to_pytket pass (#1431)
• [breaking] Replace CircuitHash with hugr's implementation (#1420)
• [breaking] Update MSRV to rust 1.91 (#1446)
• [breaking] Update to hugr 0.26.0 (#1448)
• [breaking] Follow pass scopes in composable passes (#1429)
• Implemented post_opdef for RotationOp for constant folding (#1468)
• [breaking] Reorganize tket::passes and add hugr_passes re-exports (#1472)
• [breaking] Bump hugr dependency to 0.27.0 (#1488)
• Move hugr-passes implementations to tket::passes (#1487)
• Pass scopes in python API, update to hugr-py 0.16 (#1464)

Refactor

• (llvm) use llvm.is.fpclass for from_halfturns (#1457)

Testing

• Fixed signatures when decoding pytket circuits (#1405)

tket-qsystem

0.24.0 - 2026-04-02

Bug Fixes

• pytket encoder drops order edges to the output node (#1466)
• Constant Folding with PassScope::Global should act globally, not just beneath the entrypoint (#1470)

New Features

• [breaking] Use raw Hugrs in pytket encoding/decoding API (#1418)
• Add qsystem.rz pytket decoder (#1432)
• [breaking] Update MSRV to rust 1.91 (#1446)
• [breaking] Update to hugr 0.26.0 (#1448)
• [breaking] Follow pass scopes in composable passes (#1429)
• [breaking] Reorganize tket::passes and add hugr_passes re-exports (#1472)
• Move hugr-passes implementations to tket::passes (#1487)

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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 83.81%. Comparing base (5a0a086) to head (92f57e1).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1394   +/-   ##
=======================================
  Coverage   83.81%   83.81%           
=======================================
  Files         187      187           
  Lines       28943    28943           
  Branches    27880    27880           
=======================================
  Hits        24258    24258           
  Misses       3523     3523           
  Partials     1162     1162           

Flag	Coverage Δ
python	92.41% <ø> (ø)
qis-compiler	91.66% <ø> (ø)
rust	83.48% <ø> (ø)

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