What new features were released in ncs1.7.0 about advertising?

Recently, Nordic released ncs1.7.0, I wonder if it supports the following features:

1. What is the maximum length of broadcast data for extended advertisement? It cannot exceed 251 bytes in ncs1.6.0.

2. Periodic advertising can't set advertising data via calling bt_le_per_adv_set_data() in ncs1.6.0, is it worked now?

3. Can BLE AoA be used for product?

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