chore: release

[hugrbot]

🤖 New release

• tket: 0.19.0 -> 0.20.0 (✓ API compatible changes)
• tket-qsystem: 0.25.0 -> 0.26.0 (✓ API compatible changes)

Changelog

tket

0.20.0 - 2026-06-09

Bug Fixes

• Modifier passes bugs with indirect call node (#1634)
• Support type arguments in tuple/untuple pass (#1583)

New Features

• [breaking] Raise an error when power modifier is present (#1644)
• [breaking] Add measurement extension and change tket.quantum / tket.qsystem extension measurement ops return type (#1558)
• Encode measurements followed by reads as pytket measurements (#1658)
• [breaking] Upgrade hugr dependency to 0.28.0 (#1580)
• Support debug info in qis-compiler (#1521)

tket-qsystem

0.26.0 - 2026-06-09

New Features

• [breaking] Add measurement extension and change tket.quantum / tket.qsystem extension measurement ops return type (#1558)
• Encode measurements followed by reads as pytket measurements (#1658)
• [breaking] Upgrade hugr dependency to 0.28.0 (#1580)
• (qsystem) Cross-compilation between Helios and Sol extensions (#1647)
• Support debug info in qis-compiler (#1521)

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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 85.18%. Comparing base (d3cc589) to head (6bc8181).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1641   +/-   ##
=======================================
  Coverage   85.18%   85.18%           
=======================================
  Files         186      186           
  Lines       29810    29810           
  Branches    28495    28495           
=======================================
  Hits        25395    25395           
  Misses       3257     3257           
  Partials     1158     1158           

Flag	Coverage Δ
python	90.11% <ø> (ø)
qis-compiler	92.59% <ø> (ø)
rust	84.95% <ø> (ø)

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