Alexander Gavrilov
8da23fd5aa
As also explained in D6134, in most case of Stretch To usage in rigs, it is desirable to use swing rotation, either via the old method of pairing the constraint with Damped Track, or via the Swing rotation type introduced in 2.82. This is for instance true for all usages of the constraint in Rigify. The reason can be understood by realizing that unlike order- dependent euler rotations, swing is not biased to an axis, and isn't affected by gimbal lock effects at merely 90 degrees of rotation (it has only one singularity at 180 degrees). Thus it makes sense to change the default for newly created constraints to the Swing mode. This has no backward compatibility concerns except for old tutorials and rig generation scripts. Differential Revision: https://developer.blender.org/D12643
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