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Tue, May 21

Sebastián Barschkis (sebbas) closed T58492: smoke flow jitters around flow source when using adaptive domain as Resolved by committing rB1036ae2acdea: Fix T58492: Removes jitter when using adaptive smoke domains.
Tue, May 21, 10:24 PM · BF Blender, Physics
alex anguix (alexang) added a comment to T64879: Setting RigidBodyCollection to a new Collection sets all children to Dynamic/Active.

That should work fine, yes.

Tue, May 21, 12:28 PM · Physics, BF Blender
Philipp Oeser (lichtwerk) added a comment to T64879: Setting RigidBodyCollection to a new Collection sets all children to Dynamic/Active.

Still not sure if I understand correctly:

Tue, May 21, 12:08 PM · Physics, BF Blender
alex anguix (alexang) added a comment to T64879: Setting RigidBodyCollection to a new Collection sets all children to Dynamic/Active.

Have a decent play with the removing and adding, cause it produces different results all the time.

Tue, May 21, 11:48 AM · Physics, BF Blender
Philipp Oeser (lichtwerk) added a comment to T64879: Setting RigidBodyCollection to a new Collection sets all children to Dynamic/Active.

Problem is Removing the Ridgid Body World in the first place [which in turn removes the ridgid bodies from the objects].
If you want to keep the ridgid body settings (but for some reason wont those object not to participate in the simulation), why not move the objects to a different collection [not the RidgidBodyWorld one]?

Tue, May 21, 11:30 AM · Physics, BF Blender
alex anguix (alexang) added a comment to T64879: Setting RigidBodyCollection to a new Collection sets all children to Dynamic/Active.

The big issue here though is that it sets EVERYTHING to default Dynamic/Active and resets mass. Even if it already had a rigidbody. So you lose everything you set up already.

Tue, May 21, 11:17 AM · Physics, BF Blender

Mon, May 20

alex anguix (alexang) added a comment to T64877: Adding and Removing RigidBodyWorld is broken.

I'm not sure if this belongs to https://developer.blender.org/T64879 or here,

Mon, May 20, 2:51 PM · Physics, BF Blender
Philipp Oeser (lichtwerk) closed T64879: Setting RigidBodyCollection to a new Collection sets all children to Dynamic/Active as Invalid.

As stated in T64877, this is true for all Physics types and these are not just disabled, but removed.

Mon, May 20, 2:22 PM · Physics, BF Blender
Philipp Oeser (lichtwerk) triaged T64877: Adding and Removing RigidBodyWorld is broken as Confirmed, Medium priority.

Indeed, seems weird.

Mon, May 20, 2:11 PM · Physics, BF Blender
Bastien Montagne (mont29) reassigned T58492: smoke flow jitters around flow source when using adaptive domain from Bastien Montagne (mont29) to Sebastián Barschkis (sebbas).
Mon, May 20, 1:23 PM · BF Blender, Physics
Sebastián Barschkis (sebbas) reopened T58492: smoke flow jitters around flow source when using adaptive domain as "Open".

Think this bug is back - bb88485a1693751baff8a61917987323dbee654a distorts smoke with the adaptive domain.

Mon, May 20, 11:39 AM · BF Blender, Physics

Sat, May 18

zebus3d (ofuscado) added a comment to T51111: Using an added Cube in combination with Particles > Volume > Grid results in missing particles..

This continues to happen in the new blender 2.80 3b8ae2c08f5c

Sat, May 18, 4:46 PM · Physics, BF Blender

Tue, May 14

Marco (nacioss) added a comment to T57343: Blender 2.80 does not correctly handle the physical collision data generated by version 2.79.

It is working in 2.8 build of 2019-05-13

Tue, May 14, 12:37 PM · Physics, BF Blender

Sun, May 5

Nils Thuerey (n_t) added a comment to T59995: Mantaflow Review.

@Bastien Montagne (mont29) thanks for the detailed comments! We'll have to more carefully look at the points you mentioned. Good idea to make the naming scheme consistent, to properly indicate the parts of the new solver. I'd suggest using "manta" there to distinguish it from the old smoke and liquid version.

Sun, May 5, 3:44 PM · Physics, BF Blender

Sat, May 4

Bastien Montagne (mont29) added a comment to T59995: Mantaflow Review.

Note: just updated the branch against latest master (was kinda painful, thanks to some 'cleanup' in BKE physics files :( ), would be nice if patches could be updated too.

Sat, May 4, 3:57 PM · Physics, BF Blender
Bastien Montagne (mont29) added a comment to T59995: Mantaflow Review.

Some initial usability review after using the branch for a few tests, and a first quick review of the patches:

Sat, May 4, 11:10 AM · Physics, BF Blender

Thu, May 2

Bastien Montagne (mont29) added a comment to T59995: Mantaflow Review.

@Nils Thuerey (n_t) Hmm, looks like the branch could use a merge with master again. ;)

Thu, May 2, 4:32 PM · Physics, BF Blender
Nils Thuerey (n_t) added a comment to T59995: Mantaflow Review.

@Brecht Van Lommel (brecht), @Bastien Montagne (mont29) - okay, very good!

Thu, May 2, 1:56 PM · Physics, BF Blender

Wed, May 1

Bastien Montagne (mont29) added a comment to T59995: Mantaflow Review.

Yes, it’s still on my radar for this week or next one…

Wed, May 1, 3:54 PM · Physics, BF Blender
Brecht Van Lommel (brecht) added a comment to T59995: Mantaflow Review.

The plan is still for @Bastien Montagne (mont29) to do the initial code review. @Bastien Montagne (mont29), will you have time to do this in the next few weeks? Spending like one day to go over the code and testing the functionality.

Wed, May 1, 11:25 AM · Physics, BF Blender

Fri, Apr 26

Nils Thuerey (n_t) added a comment to T59995: Mantaflow Review.

I have another question here for the experienced blender devs (@Brecht Van Lommel (brecht) @Sam Van Hulle (sam_vh) @Martin Felke (scorpion81) @Jacques Lucke (JacquesLucke) and maybe others?): what would be the best next steps for an official 'approval' of the mantaflow diffs? I saw the 2.8 timeline, and I guess it would be ideal to verify that the patch is in a good enough state some time soon. Then it could be merged into the main branch as soon as possible after 2.8 is released in July, such that it can be included for the 2.81 release.

Fri, Apr 26, 12:41 PM · Physics, BF Blender

Thu, Apr 25

Sergey Sharybin (sergey) merged T63761: hair particles not updated if the parent is an active rigid body object into T58044: Issue with adding hair to rigid body.
Thu, Apr 25, 12:41 PM · BF Blender: 2.8, Physics

Apr 23 2019

Nils Thuerey (n_t) added a comment to T59995: Mantaflow Review.

@Brecht Van Lommel (brecht) Okay, yes - the GIL seems to be unproblematic so far. It could make the UI somewhat unresponsive when baking large sims, though. The new node system notes look interesting. I think for mantaflow it would neat to go for the "everything-nodes" direction, where a node graph would define the data flow of the simulation. This could then use a python back-end, or directly hook into the mantaflow functions (the functions that are exposes to python are the crucial ones that ideally would also be available as nodes). It's definitely a good point to keep in mind.

Apr 23 2019, 1:53 PM · Physics, BF Blender

Apr 18 2019

Brecht Van Lommel (brecht) added a comment to T59995: Mantaflow Review.

Ok. The main concern is not so much that it's slow for fluid simulation by itself, but if multiple performance sensitive areas use Python it does become a problem to have these global locks. If this is how the Mantaflow API works and it's a big burden to use C++ instead it seems acceptable.

Apr 18 2019, 5:00 PM · Physics, BF Blender
Nils Thuerey (n_t) added a comment to T59995: Mantaflow Review.

@Brecht Van Lommel (brecht) Good question, to add to sebbas comments, there are a few reasons for the python bindings: a first mundane one is that that's how the mantaflow solver worked originally, and it would have been a lot more work to switch to C/C++ bindings. Also, the performance impact is negligible, as mantaflow provides all the solver building blocks via python, but each of the steps is quite expensive. So there are no low-level operations in python (e.g. access to grid cells), but just a small number of calls to high level functions that typically make several passes over the full grid.

Apr 18 2019, 4:19 PM · Physics, BF Blender
joel heethaar (joel_nl) updated subscribers of T59995: Mantaflow Review.

There's a pull request from David Ullmann extending the NOPYTHON option.

Apr 18 2019, 11:16 AM · Physics, BF Blender
Sebastián Barschkis (sebbas) added a comment to T59995: Mantaflow Review.

@Brecht Van Lommel (brecht) Right now the only way to access all Mantaflow functions is through Python. In terms of performance I wouldn't say that this is an issue. Once the Manta solver acquires the GIL it will compute one "step" and only once completed release it. The time between steps where other resources (like the UI) can acquire the GIL and Manta has to wait for it would be the only delay during a bake job. This delay is negligible from my experience unless there are other resources that could block the GIL for a very long time.

Apr 18 2019, 9:57 AM · Physics, BF Blender
Sebastián Barschkis (sebbas) added a comment to T59995: Mantaflow Review.

@Nils Thuerey (n_t) Yes, you're right. Those lines won't be needed in the future anymore. Will remove them.

Apr 18 2019, 9:19 AM · Physics, BF Blender

Apr 17 2019

Brecht Van Lommel (brecht) added a comment to T59995: Mantaflow Review.

Can someone remind me why this is integrated through Python rather than C++, and how much work it would to change it to C++?

Apr 17 2019, 11:37 AM · Physics, BF Blender
Nils Thuerey (n_t) added a comment to T59995: Mantaflow Review.

@Sebastián Barschkis (sebbas) - I noticed the exported python scene has a few lines at the top for OS/multi-processing checks that don't seem to be used or necessary. (from "withMP ... up to VARIABLES", ca. lines 8 to 18). Those could be removed, right?

Apr 17 2019, 9:46 AM · Physics, BF Blender

Apr 16 2019

Brecht Van Lommel (brecht) added a comment to T63606: Soft Body bake doesn't delete in "Disk Cache" mode.

@Ulysse Martin (youle), thanks for the video. What I tested is that when I'm at e.g. frame 50 and press Delete Bake then, I would expect it to remove all results from the physics sim, and you'd have to go back to frame 1 and play to simulate again. That doesn't happen here. If you're at frame 1 this patch works fine indeed.

Apr 16 2019, 4:43 PM · Physics, BF Blender
Ulysse Martin (youle) added a comment to T63606: Soft Body bake doesn't delete in "Disk Cache" mode.

I join a .gif video to show before and after applying the patch on my computer:

Apr 16 2019, 4:35 PM · Physics, BF Blender
Brecht Van Lommel (brecht) added a comment to T63606: Soft Body bake doesn't delete in "Disk Cache" mode.

This patch doesn't seem to do anything for me.

Apr 16 2019, 4:00 PM · Physics, BF Blender
Sebastian Parborg (zeddb) assigned T63606: Soft Body bake doesn't delete in "Disk Cache" mode to Sergey Sharybin (sergey).
Apr 16 2019, 11:41 AM · Physics, BF Blender

Apr 15 2019

Ulysse Martin (youle) added a comment to T63606: Soft Body bake doesn't delete in "Disk Cache" mode.

I can confirm an issue with delete bake action.

Apr 15 2019, 12:07 AM · Physics, BF Blender

Apr 14 2019

Casey (BagelCo) added a project to T63606: Soft Body bake doesn't delete in "Disk Cache" mode: Physics.
Apr 14 2019, 10:50 PM · Physics, BF Blender
Emmanuel A. Briones (eabriones) removed a watcher for Physics: Emmanuel A. Briones (eabriones).
Apr 14 2019, 6:55 AM
Emmanuel A. Briones (eabriones) added a watcher for Physics: Emmanuel A. Briones (eabriones).
Apr 14 2019, 6:55 AM

Apr 8 2019

Nils Thuerey (n_t) added a comment to T59995: Mantaflow Review.

Hi everyone, great to see the manta integration being re-revived! @Sebastián Barschkis (sebbas) thanks for the large patch collection. I just checked out and tried the revised diff "from scratch". Works nicely on my MAC. The sims also run through without problem (I tested based on the quick-smoke and quick-liquid setups). So I think this patch looks good, overall. There are some obvious next steps, like removing the old liquid/smoke modifiers, and cleaning up the code, but I think this would be better to address once the manta code is integrated.

Apr 8 2019, 10:09 AM · Physics, BF Blender

Apr 7 2019

Sebastián Barschkis (sebbas) added a comment to T59995: Mantaflow Review.

@Bastien Montagne (mont29) Yes, that's definitely a good idea. I just updated the diffs (now it's branched from the 2.8 "master") and also synced it with the fluid-mantaflow branch which can be used for test builds. From here we could now get the review rolling.

Apr 7 2019, 7:42 PM · Physics, BF Blender

Apr 4 2019

Benjamin Meyer (Anvilarion) added inline comments to D4591: Correctly display number of cached frames during simulation with negative start frame.
Apr 4 2019, 6:48 PM · BF Blender: Staging, Physics
Sergey Sharybin (sergey) closed D4636: Fix: Erratic collision response when using constraints on colliders.
Apr 4 2019, 11:06 AM · Physics
Sergey Sharybin (sergey) added inline comments to D4591: Correctly display number of cached frames during simulation with negative start frame.
Apr 4 2019, 10:20 AM · BF Blender: Staging, Physics
Mal Duffin (mal_cando) added a comment to T58044: Issue with adding hair to rigid body.

Hi Sergey,

Apr 4 2019, 9:41 AM · BF Blender: 2.8, Physics
Sergey Sharybin (sergey) claimed T58044: Issue with adding hair to rigid body.

Would need to have a closer look, but could be caused by the change in the evaluation order of rigid body, similar to T63028.

Apr 4 2019, 9:36 AM · BF Blender: 2.8, Physics

Apr 3 2019

Brecht Van Lommel (brecht) edited reviewers for D4636: Fix: Erratic collision response when using constraints on colliders, added: Sergey Sharybin (sergey); removed: Physics.
Apr 3 2019, 7:14 PM · Physics
Brecht Van Lommel (brecht) edited reviewers for D4591: Correctly display number of cached frames during simulation with negative start frame, added: Sergey Sharybin (sergey); removed: Sergej Reich (sergof).
Apr 3 2019, 7:13 PM · BF Blender: Staging, Physics
Benjamin Meyer (Anvilarion) created D4636: Fix: Erratic collision response when using constraints on colliders.
Apr 3 2019, 2:30 PM · Physics
Sebastian Parborg (zeddb) assigned T63238: Soft body simulation that previously work in 2.79 does not work in 2.8 to Sergey Sharybin (sergey).

I'm getting this error printed in the terminal (probably related to this issue):
ERROR (bke.rigidbody): /home/zed/prog/blender/source/blender/blenkernel/intern/rigidbody.c:299 rigidbody_get_shape_convexhull_from_mesh: no vertices to define Convex Hull collision shape with

Apr 3 2019, 12:45 PM · Physics, BF Blender: 2.8, BF Blender
Michael Lee (michaellee8) added projects to T63238: Soft body simulation that previously work in 2.79 does not work in 2.8: BF Blender: 2.8, Physics.
Apr 3 2019, 9:04 AM · Physics, BF Blender: 2.8, BF Blender

Apr 2 2019

Brecht Van Lommel (brecht) lowered the priority of T54108: Child Of vertex group fails when controled by Particle System from Confirmed, Medium to Confirmed, Low.

Not sure about the right behavior, would consider quite low priority.

Apr 2 2019, 7:12 PM · Physics, Animation, BF Blender

Mar 31 2019

Benjamin Meyer (Anvilarion) updated the diff for D4591: Correctly display number of cached frames during simulation with negative start frame.
Mar 31 2019, 5:49 PM · BF Blender: Staging, Physics
Benjamin Meyer (Anvilarion) added a reviewer for D4591: Correctly display number of cached frames during simulation with negative start frame: Brecht Van Lommel (brecht).
Mar 31 2019, 5:04 PM · BF Blender: Staging, Physics

Mar 28 2019

Philipp Oeser (lichtwerk) placed T54108: Child Of vertex group fails when controled by Particle System up for grabs.

Checked this again and atm it just averages positions and normals of participating verts.
A rotation is derived from the resulting averaged normal alone - thus not being 'stable'.

Mar 28 2019, 8:52 PM · Physics, Animation, BF Blender

Mar 27 2019

Philipp Oeser (lichtwerk) added a comment to T62980: Animated ABC Won't Collide With Fluid Simulation.

Havent actually checked it, and it feels like swapping mesh datablocks in a framechange handler is not the best solution, but would it help getting the evaluated object?

Mar 27 2019, 10:10 PM · Physics, Alembic, BF Blender
Atomic (atomic) added a comment to T62980: Animated ABC Won't Collide With Fluid Simulation.

So why can't I fetch the mesh data block, from the .abc animation, in a frame change?
Shouldn't the Mesh Sequence Cache modifier correctly present the current mesh data block, to the API, for the frame it is displaying?
Why does the frame change code fail?

Mar 27 2019, 1:55 PM · Physics, Alembic, BF Blender
Philipp Oeser (lichtwerk) added projects to T62980: Animated ABC Won't Collide With Fluid Simulation: Alembic, Physics.
Mar 27 2019, 11:23 AM · Physics, Alembic, BF Blender

Mar 26 2019

Brecht Van Lommel (brecht) closed T58171: Crash when using over 2 particles systems as Resolved.

Confirmed in older version, but appears to be fixed now.

Mar 26 2019, 1:50 PM · BF Blender, Physics

Mar 25 2019

Benjamin Meyer (Anvilarion) created D4591: Correctly display number of cached frames during simulation with negative start frame.
Mar 25 2019, 6:59 PM · BF Blender: Staging, Physics

Mar 21 2019

Bastien Montagne (mont29) closed T52873: Vertex Weight Proximity breaks Rigid Body simulation as Archived.

Yes, this is indeed a chicken & egg issue (and yes, it also happens in 2.7x). Guess we can close that as known limitation for now, then.

Mar 21 2019, 9:50 AM · Modifiers, Physics, BF Blender

Mar 20 2019

Sergey Sharybin (sergey) added a comment to T52873: Vertex Weight Proximity breaks Rigid Body simulation.

But same happens in 2.7?
This sounds like a feedback loop between rigid body simulation which needs geometry for the collisions, but geometry needs transform for modifier stack. While we can avoid some dependency cycles here, the order of updates might be wrong from users perspective. And the only user-controllable solution here would be to go node based.

Mar 20 2019, 9:24 PM · Modifiers, Physics, BF Blender
Bastien Montagne (mont29) added a comment to T52873: Vertex Weight Proximity breaks Rigid Body simulation.

Deg warning about DEG_OB_COMP_GEOMETRY relation is now fixed, but the rigid body simulation remains completely broken in 2.8 currently here (neither of the two displace modifiers work, only really moving red object works currently).

Mar 20 2019, 9:15 PM · Modifiers, Physics, BF Blender
Mal Duffin (mal_cando) added a comment to T58044: Issue with adding hair to rigid body.

@Sergey Sharybin (sergey) - I see you just fixed another issue with rigid bodies and particles, could you have a look at this one too?

Mar 20 2019, 9:10 PM · BF Blender: 2.8, Physics
Bastien Montagne (mont29) added a comment to T52873: Vertex Weight Proximity breaks Rigid Body simulation.

Using an empty (or center point of any object) is a valid usecase of this modifier, will check on those relations tagging.

Mar 20 2019, 8:45 PM · Modifiers, Physics, BF Blender
Sergey Sharybin (sergey) reassigned T52873: Vertex Weight Proximity breaks Rigid Body simulation from Sergey Sharybin (sergey) to Bastien Montagne (mont29).

The issue in code i saw was related on a fake dependency cycle, which is now fixed in rB099a4104788.
Now i can open the file and there is a playback going on.

Mar 20 2019, 4:42 PM · Modifiers, Physics, BF Blender
Victor V Green II (Sleeper_G) closed T62628: explosions as Resolved.

I fixed the issue. I just had to turn my quality steps down to 2.

Mar 20 2019, 1:56 PM · Rendering, Platform: Windows, BF Blender: 2.8, Physics, Eevee

Mar 19 2019

Brecht Van Lommel (brecht) closed T58233: Crash selecting path as render as type in particle system. as Resolved.

I believe macOS particle drawing crashes were fixed, if it's still an issue we can reopen the report.

Mar 19 2019, 10:57 AM · BF Blender, Physics

Mar 17 2019

Victor V Green II (Sleeper_G) edited projects for T62628: explosions, added: BF Blender: 2.8, Platform: Windows, Rendering; removed BF Blender.

I don't know what to expect here. Will someone be explaining to me what what to do about mt issue?

Mar 17 2019, 10:00 PM · Rendering, Platform: Windows, BF Blender: 2.8, Physics, Eevee

Mar 16 2019

Brecht Van Lommel (brecht) placed T62628: explosions up for grabs.
Mar 16 2019, 12:32 AM · Rendering, Platform: Windows, BF Blender: 2.8, Physics, Eevee
Victor V Green II (Sleeper_G) claimed T62628: explosions.
Mar 16 2019, 12:23 AM · Rendering, Platform: Windows, BF Blender: 2.8, Physics, Eevee

Mar 15 2019

Sergey Sharybin (sergey) reassigned T51214: Dynamic Paint Works Only in Viewport Render from Sergey Sharybin (sergey) to Clément Foucault (fclem).

It works in LookDev mode.

Mar 15 2019, 12:52 PM · Physics, BF Blender

Mar 13 2019

Petko (314blend) added a comment to T62144: Fluid simulation bug.

Thanks for the advice but the thing that I don't understand is that in the older version of blender the simulation runs perfectly.I hope they will fix that and again thanks for all the advices.

Mar 13 2019, 2:17 PM · Physics

Mar 5 2019

Sebastian Parborg (zeddb) closed T62071: Rigid Bodies in saved .blend file loosing their Rigid Body Physics on loading of file [critical] as Resolved.

No clue. If you figure it out we can re-open this. However I'll mark this as resolved in the mean time.

Mar 5 2019, 3:24 PM · Physics, BF Blender: 2.8, BF Blender
Finn Bear (finnb) added a comment to T62071: Rigid Bodies in saved .blend file loosing their Rigid Body Physics on loading of file [critical].

@Sebastian Parborg (zeddb) Deleting .config/blender/2.80 fixed the issue without a reinstall. Now the question is what was wrong about my previous config files that deletes rigid-bodies... :/

Mar 5 2019, 4:26 AM · Physics, BF Blender: 2.8, BF Blender

Mar 4 2019

Sebastian Parborg (zeddb) added a comment to T62071: Rigid Bodies in saved .blend file loosing their Rigid Body Physics on loading of file [critical].

That file works fine for me too.
Could you try to have a clean install on the 2.8 beta and try again?
Be sure to either rename or remove .config/blender/2.80

Mar 4 2019, 10:32 AM · Physics, BF Blender: 2.8, BF Blender
Philipp Oeser (lichtwerk) closed T62144: Fluid simulation bug as Invalid.

Afaics there is no direct way of tweaking collision distance.

Mar 4 2019, 10:07 AM · Physics

Mar 3 2019

Finn Bear (finnb) added a comment to T62071: Rigid Bodies in saved .blend file loosing their Rigid Body Physics on loading of file [critical].

I saved this file with 2.8 from March 3. The cube has an active rigid body and the plane has a passive one. When I open it, neither rigid bodies are visible (the objects are visible). The cache doesn't play. When I add back the cube's rigidbody, its movement plays in accordance with cache.

Mar 3 2019, 10:04 PM · Physics, BF Blender: 2.8, BF Blender
Finn Bear (finnb) added a comment to T62071: Rigid Bodies in saved .blend file loosing their Rigid Body Physics on loading of file [critical].

@Sebastian Parborg (zeddb) I just downloaded the latest version and reproduced the issue. Interestingly, after I add back the missing rigid body in the physics panel, the baked simulation plays as it should.

Mar 3 2019, 5:06 PM · Physics, BF Blender: 2.8, BF Blender

Mar 2 2019

Sebastian Parborg (zeddb) triaged T62071: Rigid Bodies in saved .blend file loosing their Rigid Body Physics on loading of file [critical] as Needs Information from User priority.

I can't reproduce this on my end. The baked simulation plays as it should. Perhaps this was fixed in a later build?

Mar 2 2019, 2:49 PM · Physics, BF Blender: 2.8, BF Blender

Mar 1 2019

Finn Bear (finnb) updated the task description for T62071: Rigid Bodies in saved .blend file loosing their Rigid Body Physics on loading of file [critical].
Mar 1 2019, 5:38 AM · Physics, BF Blender: 2.8, BF Blender
Finn Bear (finnb) updated the task description for T62071: Rigid Bodies in saved .blend file loosing their Rigid Body Physics on loading of file [critical].
Mar 1 2019, 5:37 AM · Physics, BF Blender: 2.8, BF Blender
Finn Bear (finnb) updated the task description for T62071: Rigid Bodies in saved .blend file loosing their Rigid Body Physics on loading of file [critical].
Mar 1 2019, 5:37 AM · Physics, BF Blender: 2.8, BF Blender
Finn Bear (finnb) added projects to T62071: Rigid Bodies in saved .blend file loosing their Rigid Body Physics on loading of file [critical]: BF Blender: 2.8, Physics.
Mar 1 2019, 5:36 AM · Physics, BF Blender: 2.8, BF Blender

Feb 28 2019

Clément Foucault (fclem) closed T58489: Particle edit mode crash on macOS + NVIDIA as Resolved by committing rB680c7209ecf7: Hair Particle: Fix issue on OSX due to hardware accelerated subdivision.
Feb 28 2019, 10:57 PM · Platform: macOS, BF Blender, Physics

Feb 25 2019

Sven Stober (Stober) added a comment to T58489: Particle edit mode crash on macOS + NVIDIA.

Blender Version
blender-2.80-893fa598319e-OSX-10.9-x86_64
2/25/19

Feb 25 2019, 9:22 PM · Platform: macOS, BF Blender, Physics

Feb 22 2019

Luca Rood (LucaRood) closed T59690: Error adding Cloth Preset [2.80] - no attribute Spring_damping as Resolved.

This is fixed by @Rombout Versluijs (rombout) and @Philipp Oeser (lichtwerk) in rBf572a157ba7846940012271a030de89db0a93c33.

Feb 22 2019, 1:25 PM · Physics, BF Blender

Feb 20 2019

Sven Stober (Stober) added a comment to T58489: Particle edit mode crash on macOS + NVIDIA.

Latest beta still crashes in particle edit. 2/20/19
blender-2.80.0-git20190220.ee7c9790a254-x86_64
MacOs Mojave
Nvidia GTX780M

Feb 20 2019, 11:24 PM · Platform: macOS, BF Blender, Physics
Brecht Van Lommel (brecht) merged T61269: Crash when entering Particle Edit Mode with macOS + NVIDIA into T58489: Particle edit mode crash on macOS + NVIDIA.
Feb 20 2019, 4:25 PM · Platform: macOS, BF Blender, Physics

Feb 18 2019

Sergey Sharybin (sergey) closed T61473: Blender crashes when moving object with hair or changing particle settings as Resolved by committing rBf2a21472c493: Fix T61473: Crash particle system is updating.
Feb 18 2019, 5:01 PM · Physics, Dependency Graph, BF Blender

Feb 14 2019

Sergey Sharybin (sergey) added a comment to T61473: Blender crashes when moving object with hair or changing particle settings.

Weird. Was looking for quite some time =\ Thanks!

Feb 14 2019, 3:54 PM · Physics, Dependency Graph, BF Blender
Philipp Oeser (lichtwerk) raised the priority of T61473: Blender crashes when moving object with hair or changing particle settings from Needs Information from User to Confirmed, Medium.

@Sergey Sharybin (sergey): file was there in the report (made this more visible now...)

Feb 14 2019, 1:11 PM · Physics, Dependency Graph, BF Blender
Philipp Oeser (lichtwerk) updated the task description for T61473: Blender crashes when moving object with hair or changing particle settings.
Feb 14 2019, 1:11 PM · Physics, Dependency Graph, BF Blender
Sergey Sharybin (sergey) lowered the priority of T61473: Blender crashes when moving object with hair or changing particle settings from Confirmed, Medium to Needs Information from User.

Please always attach .blend file which demonstrates the issue.

Feb 14 2019, 10:11 AM · Physics, Dependency Graph, BF Blender

Feb 13 2019

Brecht Van Lommel (brecht) closed T58617: particle render wrong (without baking) as Resolved.

This was fixed at some point.

Feb 13 2019, 6:13 PM · Physics, BF Blender
Brecht Van Lommel (brecht) merged T58892: particle system reinit emitter into T58045: When changing particle type from Emitter to Hair and then back to Emitter, effect is missing.
Feb 13 2019, 6:06 PM · BF Blender, Physics
Philipp Oeser (lichtwerk) assigned T61473: Blender crashes when moving object with hair or changing particle settings to Sergey Sharybin (sergey).

AddressSanitizer: heap-use-after-free P911

Feb 13 2019, 12:02 PM · Physics, Dependency Graph, BF Blender
Philipp Oeser (lichtwerk) triaged T61473: Blender crashes when moving object with hair or changing particle settings as Confirmed, Medium priority.

Can reproduce here

Feb 13 2019, 11:47 AM · Physics, Dependency Graph, BF Blender

Feb 12 2019

Sergey Sharybin (sergey) closed T57589: 2.79 Rigid Body Sim. Does Not Behave The Same In 2.8 as Resolved.

Fixed by rB024f5ba2bdb.

Feb 12 2019, 1:00 PM · BF Blender, Physics

Feb 9 2019

Luca Rood (LucaRood) updated the task description for T56596: Cloth improvements in 2.8.
Feb 9 2019, 2:13 AM · Physics, BF Blender: 2.8

Feb 7 2019

Sebastian Parborg (zeddb) added a comment to T58208: Selecting particle system as Dynamic paint Brush crashes Blender.

To search, you go here: https://developer.blender.org/maniphest/
And click "Edit query" and put in your search terms in the "Query" field.

Feb 7 2019, 11:48 AM · BF Blender, Physics