chore: release 1.4.2

[github-actions]

🤖 I have created a release beep boop

1.4.2 (2026-08-26)

Features

• ets: fkine/jacob0/jacobe/hessian0/hessiane accept compact q (#653) (d5b6990)
• examples: add ikine_XX (C++ and pure-Python ETS) to ik_speed.py (2f41a71)
• examples: add ikine_XX timing columns to ik_speed.py (#654) (2f41a71)

Bug Fixes

• blocks: FDyn_X.output() crashed/asserted on unset xdd before deriv() ran (#647) (8caa363)
• examples,dhrobot: repair broken ikine_LMS/ikine_min example references (#650) (6691113)
• ik: _random_q() silently produces garbage for non-finite joint limits (#648) (2f43a3c)
• ik: unify ik_XX/ikine_XX return types and fix IK docs (#652) (07a60f4)
• kinematics: fkine_all() computes wrong poses for links past a nominal end-effector (#643) (25eedcd)
• mobile: restore missing distance-transform diagonal (835457e)
• models,ik: correct YuMi gripper parents and IK failure-path q compaction (#649) (7c40242)
• pyplot: robot.plot(..., movie=...) crashes on save (#645) (2e2bfe2)
• pyplot: scalar plot options (jointaxislength, eelength) crash on override (a4aea19)
• pyplot: scalar plot options crash on override (#642) (a4aea19)

Documentation

• fix broken PyPlot backend example in intro.rst (#641) (5e8d2f9)

Miscellaneous

• release 1.4.2 (440a9ec)

---

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[github-actions]

🤖 Created releases:

• v1.4.2

🌻

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 0.00%. Comparing base (2f41a71) to head (7fd0e21).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@          Coverage Diff          @@
##            main    #651   +/-   ##
=====================================
  Coverage   0.00%   0.00%           
=====================================
  Files        143     143           
  Lines      14050   14050           
=====================================
  Misses     14050   14050           

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