Compatibility of LGPL-3+ and LGPL-2.1 in same library.

[Arun Kumar Pariyar]

Dear Legal Team,

Can LGPL-3+ and LGPL-2.1 licensed code be used together in the same library, or 
is re-licensing required?
Your guidance on their compatibility would be greatly appreciated.

Regards,
~ Arun Kumar Pariyar

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