STM32WB55VG: BLE Stack details required

Hello

We were looking for controller which provides BLE feature in it. We came across STM32WB55VG ARM controller which as BLE 5.0. We have few quarry regarding it, they are:

1. We could not find much details about BLE Stack, please provide Stack details.

2. Where to look for software?

3. Is there any Eval kit available?

4. How to order it?

Thanks

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