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Bug: Transition arrow loose connection point #256
Description
Description
Steps to reproduce:
- Open blank machine.
- Add state A.
- Add child state A1 to A.
- Add state B.
- Add transition (A->B) from A to B .
- Add child state A2 to A.
- Try to move A2 inside A to expand area. You will see that connection point of A->B transition don't move.
Expected result
Connection point of A->B transition have to move.
Actual result
Connection point of A->B transition freeze.
Which browsers are you seeing the problem on?
No response
Additional details
No response
Activity
davidkpiano commentedon Feb 12, 2026
Is this what you're seeing?
If so, it's technically "working as designed" (we don't push neighboring edges/nodes when the state expands) but I can understand why it's visually jarring.
olegdunkan commentedon Feb 13, 2026
@davidkpiano yes, I am.
It is unusual.
@davidkpiano what is rational behind this behaviour?
davidkpiano commentedon Feb 14, 2026
@olegdunkan The rationale is that when you specifically position an event or state, we respect those positions and don't automatically re-position them if neighboring entities change. It was either that or automatically reposition, which can:
olegdunkan commentedon Feb 14, 2026
@davidkpiano I agree with respect the state, reposition of state is not evident and it is better to keep it in the same place. But what I need is don't loose connection point of one end of transition's arrow. I supposed that the studio can modify the curve of arrow to accommodate new connection point's position.
davidkpiano commentedon Feb 14, 2026
Okay, something like this?
(This is the new upcoming visualizer/editor btw:)
CleanShot.2026-02-14.at.10.31.59.mp4