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Public API to sync Transform from Position/Rotation without advancing the simulation

Status: Open.

#1001 In avianphysics/avian;

· hoyeong-heo opened on Jun 16, 2026

Speculative contacts deflect bodies off colliders they never touch at real (cm) scale

A-CollisionRelates to the broad phase, narrow phase, colliders, or other collision functionalityRelates to the broad phase, narrow phase, colliders, or other collision functionality

A-DynamicsRelates to rigid body dynamics: motion, mass, constraint solving, joints, CCD, and so onRelates to rigid body dynamics: motion, mass, constraint solving, joints, CCD, and so on

C-RefinementImproves quality or results in some way, without fixing a clear bug or adding new functionalityImproves quality or results in some way, without fixing a clear bug or adding new functionality

D-ComplexChallenging from a design or technical perspective. Ask for help if you'd like to tackle this!Challenging from a design or technical perspective. Ask for help if you'd like to tackle this!

Status: Open.

#990 In avianphysics/avian;

· francisdb opened on Jun 3, 2026

Delayed Collision, entity sinks before rising up from tile collider

A-CollisionRelates to the broad phase, narrow phase, colliders, or other collision functionalityRelates to the broad phase, narrow phase, colliders, or other collision functionality

C-BugSomething isn't workingSomething isn't working

S-Needs-InvestigationThis issue requires detective work to figure out what's going wrongThis issue requires detective work to figure out what's going wrong

Status: Open.

#985 In avianphysics/avian;

· JyanMan opened on May 24, 2026

Misleading warning when the z scale of a collider is 0 on 2d

2DSpecific to two dimensionsSpecific to two dimensions

A-DynamicsRelates to rigid body dynamics: motion, mass, constraint solving, joints, CCD, and so onRelates to rigid body dynamics: motion, mass, constraint solving, joints, CCD, and so on

C-UsabilityA quality-of-life improvement that makes Avian easier to useA quality-of-life improvement that makes Avian easier to use

D-StraightforwardSimple bug fixes and API improvements, docs, test and examplesSimple bug fixes and API improvements, docs, test and examples

S-Ready-For-ImplementationThis issue is ready for an implementation PR. Go for it!This issue is ready for an implementation PR. Go for it!

Status: Open.

#984 In avianphysics/avian;

· janTatesa opened on May 22, 2026

ColliderCachePlugin is missing a dependency on AssetEvent<Mesh> / bevy_mesh::MeshPlugin

A-CollisionRelates to the broad phase, narrow phase, colliders, or other collision functionalityRelates to the broad phase, narrow phase, colliders, or other collision functionality

C-UsabilityA quality-of-life improvement that makes Avian easier to useA quality-of-life improvement that makes Avian easier to use

P-CrashA sudden unexpected crashA sudden unexpected crash

S-Ready-For-ImplementationThis issue is ready for an implementation PR. Go for it!This issue is ready for an implementation PR. Go for it!

Status: Open.

#983 In avianphysics/avian;

· mgi388 opened on May 13, 2026

Update colliders when the game is paused

A-CollisionRelates to the broad phase, narrow phase, colliders, or other collision functionalityRelates to the broad phase, narrow phase, colliders, or other collision functionality

C-FeatureA new feature, making something new possibleA new feature, making something new possible

D-ModestA moderate level of difficulty: suitable for simple features or challenging fixesA moderate level of difficulty: suitable for simple features or challenging fixes

S-Ready-For-ImplementationThis issue is ready for an implementation PR. Go for it!This issue is ready for an implementation PR. Go for it!

Status: Open.

#979 In avianphysics/avian;

· Shatur opened on Apr 29, 2026

Panic: Neither body is in an island when spawning RevoluteJoint where one body lacks a RigidBody

Status: Open.

#978 In avianphysics/avian;

· MichaelAug opened on Apr 29, 2026

Add aerodynamics example

A-DynamicsRelates to rigid body dynamics: motion, mass, constraint solving, joints, CCD, and so onRelates to rigid body dynamics: motion, mass, constraint solving, joints, CCD, and so on

C-ExamplesImprovements or additions to examplesImprovements or additions to examples

D-ModestA moderate level of difficulty: suitable for simple features or challenging fixesA moderate level of difficulty: suitable for simple features or challenging fixes

Status: Open.

#974 In avianphysics/avian;

· bestouff opened on Apr 18, 2026

MoveAndSlide panics with "vector given to Dir2::new_unchecked is not normalized" when two colliders are overlapping

Status: Open.

#973 In avianphysics/avian;

· JoaoComini opened on Apr 15, 2026

Question about determinism and atomicness.

A-DeterminismRelates to consistent behavior across runs or platformsRelates to consistent behavior across runs or platforms

Status: Open.

#951 In avianphysics/avian;

· Shadowblitz16 opened on Mar 11, 2026

Panic Island IslandId(5) does not exist after despawning hierarchical structure

A-DynamicsRelates to rigid body dynamics: motion, mass, constraint solving, joints, CCD, and so onRelates to rigid body dynamics: motion, mass, constraint solving, joints, CCD, and so on

C-BugSomething isn't workingSomething isn't working

P-CrashA sudden unexpected crashA sudden unexpected crash

S-Needs-InvestigationThis issue requires detective work to figure out what's going wrongThis issue requires detective work to figure out what's going wrong

Status: Open.

#950 In avianphysics/avian;

· eswartz opened on Mar 6, 2026

Compound colliders made up of Collider::voxels have no collision

Status: Open.

#945 In avianphysics/avian;

· m3t4f1v3 opened on Feb 14, 2026