Post #3418: 
Zelfor:
The main purpose is to Stagger the Islands.
…
but with some conditions that avoid the linked selection:
@Zelfor, try this code in Command tab. No need to create a macro (like in this post)
ts = C.tool_settings; msm = tuple(ts.mesh_select_mode); ts.mesh_select_mode = (False, False, True); bpy.ops.pme.timeout(cmd="C.tool_settings.mesh_select_mode = %s" % repr(msm)); bpy.ops.uv.select_linked_pick(extend=False); bpy.ops.transform.translate('INVOKE_DEFAULT', True, remove_on_cancel=True, release_confirm=True)
We use pme.timeout operator here to restore mesh_select_mode with some delay because transform.translate operator locks it.
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