- [MME] Packet filter (flow) precedence should be assigned within the session, not bearer. ([#1001](https://github.com/open5gs/open5gs/pull/1001)) -- [herlesupreeth](https://github.com/herlesupreeth)
- [MME/SGW-C/SGW-U/SMF/UPF] Force shutdown when UDP port duplicated with other process ([#986](https://github.com/open5gs/open5gs/issues/986), [#992](https://github.com/open5gs/open5gs/issues/992)) -- [ybouhamza](https://github.com/ybouhamza), [polhenarejos](https://github.com/polhenarejos)
- [AMF] Fix the error of decoding Extended-RANNodeName ([#994](https://github.com/open5gs/open5gs/issues/994)) -- [fefer](https://github.com/fefer)
- [AMF] Add more buffer for 5GMM capability ([#959](https://github.com/open5gs/open5gs/issues/959)) -- [p1-bmu](https://github.com/p1-bmu)
#### IMPORTANT Using v2.2.x
- **DB Schema Changes:** If you are using an existing subscription DB, you should delete the existing DB. Then you can add a new subscription DB.
{: .blue}
```
$ mongo
> use open5gs
switched to db open5gs
> db.subscribers.drop()
true
```
- **The New WebUI:** You have to log out using the old WebUI backend/frontend. Then, you can log back in again using the new WebUI backend/frontend.