bpmn-io/bpmn-js

Alignment tools for labels don't work inside of participant/lane

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#2 371 ouverte le 22 déc. 2025

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Description

Describe the Bug

Alignment helpers (snap lines) for external labels show outside of participant, but not within participant / lane:

Image

Steps to Reproduce

  • Align external label with Gateway/Event outside of participant
    • See that label target is "peer" used for horizontal center alignment
  • Align external label with Gateway/Event inside of participant
    • See that label target is not accounted as "peer", and no assistance is given

Can be reproduced on demo.bpmn.io.

Expected Behavior

Same behavior, independent of the modeling context.

Environment

  • Browser: Chrome 148
  • OS: Any (Linux, Ubuntu 24)
  • Library version: v18.9.1 / demo.bpmn.io

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