Unexpected lag between tasks with dependencies and assignment

[Jerther]

Here's how to reproduce.

• Open the Basic demo
• Add a new task above the root
• Edit the task
• Change effort to 40 hours
• In the Advanced tab, check Effort driven, then select Fixed Units scheduling mode
• In the resources tab, add a resource (Celia)
• Save
• Add another root task below from the previous one. This should create a copy.
• Edit that task and add the same resource assignment.
• Save
• Drag a dependency line from the end of the first task to the start of the second one.
• The second task moves to the end of the first.
• Now move the first task to the next day

Result:
The second task does not move

Also, if you then move the first task around, you'll see really strange things occur with the second one. I think the computation lags one action behind. Hard to tell. Obviously problematic though.

Expected:
The second task always moves to the end of the first one (according to the resource availability of course.)

[Jerther]

I encountered a similar weird behavior with three tasks. A bit long to describe so here's a screencast.

[alex.l]

Hi Jerther,

Thanks for the report, I've created a ticket, we will investigate this moment https://github.com/bryntum/support/issues/838

All best,
Alex