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Maniphest T78330

[Duplicate Objects] 2.90.0 Duplicating parented objects have a bug
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Description

System Information
Operating system: Windows-10-10.0.19041-SP0 64 Bits
Graphics card: GeForce GTX 1050/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 446.14

Blender Version
Broken: version: 2.90.0 Alpha, branch: master, commit date: 2020-06-25 21:53, hash: rB62aa103d485f
Introduced in rBad6cccf058d0

Short description of error
Duplicating parenting objects worked in wrong way. If we make parent objects one to each other in simple hierarchy and duplicate they it broke hierarchy in a crazy way. Same thing happen if we have objects with mirror modifier which use "mirror object" as axis and those objects parented to another object or Empty.
Watch the video below, please!

Version 2.83.1 doesn't have any of these issues

Exact steps for others to reproduce the error

  • make some cubes, maybe 4-5
  • parent them to each other
  • try select them all and duplicate
  • also you may make some objects with mirror modifier which use "mirror object" as axis
  • parent them to another object
  • select them all and duplicate

Duplicate_BUG.blend770 KBDownload

Revisions and Commits

rB Blender
rBf4f00661a51a Fix T78330: Duplicating parented objects does not preserve relationships.

Related Objects

Event Timeline

Oleksandr Kahal (ignietferro) created this task.Jun 26 2020, 11:54 PM
Vincent Blankfield (vvv) added a subscriber: Vincent Blankfield (vvv).EditedJun 27 2020, 8:07 PM

Introduced in rBad6cccf058d0.

Related task T77959 - no it isn't (sory about the misleading info).

Richard Antalik (ISS) changed the task status from Needs Triage to Confirmed.Jul 1 2020, 3:30 AM
Richard Antalik (ISS) updated the task description. (Show Details)
Richard Antalik (ISS) added a project: Pipeline, Assets & I/O.
Vincent Blankfield (vvv) mentioned this in T78490: Copy parented objects not working as expected.Jul 1 2020, 2:02 PM
Bastien Montagne (mont29) added a subscriber: Bastien Montagne (mont29).Jul 1 2020, 4:31 PM
In T78330#967718, @Vincent Blankfield (vvv) wrote:

Introduced in rBad6cccf058d0. Related task T77959.

T77959 has nothing to do with this bug report... It's bout linked data (i.e. linked from other libraries).

Bastien Montagne (mont29) claimed this task.Jul 1 2020, 4:33 PM
Bastien Montagne (mont29) triaged this task as High priority.
Bastien Montagne (mont29) changed the subtype of this task from "Report" to "Bug".
Bastien Montagne (mont29) moved this task from Backlog to Blender 2.90 on the Pipeline, Assets & I/O board.
Bastien Montagne (mont29) edited projects, added BF Blender (2.90); removed BF Blender.
Bastien Montagne (mont29) closed this task as Resolved by committing rBf4f00661a51a: Fix T78330: Duplicating parented objects does not preserve relationships..Jul 1 2020, 5:12 PM
Bastien Montagne (mont29) added a commit: rBf4f00661a51a: Fix T78330: Duplicating parented objects does not preserve relationships..
Richard Antalik (ISS) merged a task: T78490: Copy parented objects not working as expected.Jul 2 2020, 4:05 AM
Richard Antalik (ISS) added a subscriber: Christoph (ChrisGraz).
Richard Antalik (ISS) merged a task: T78510: Boolean and Parenting Inconsistencies.Jul 2 2020, 5:35 AM
Richard Antalik (ISS) added subscribers: Stefan (LaStefan), Richard Antalik (ISS).