- [ALL] 500 UEs simultaneous connection test with [UERANSIM](https://github.com/aligungr/UERANSIM) ([#949](https://github.com/open5gs/open5gs/issues/949)) -- [chenhao5651](https://github.com/chenhao5651)
- [MME] Fix the Invalid AMBR Unit ([#967](https://github.com/open5gs/open5gs/issues/967)) -- [matt9j](https://github.com/matt9j)
- [PFCP] Fix the DNS delay during PFCP association ([#891](https://github.com/open5gs/open5gs/issues/891)) -- [DendoD96](https://github.com/DendoD96)
- [Cx] Change the order of IMPUs sent in XML ([#921](https://github.com/open5gs/open5gs/issues/921)) -- [herlesupreeth](https://github.com/herlesupreeth)
- [ALL] Changed the terminate sequence to avoid crash when an invalid IP address is configured ([#938](https://github.com/open5gs/open5gs/issues/938)) -- [myonlystarWang](https://github.com/myonlystarWang)
- [Docker] Update WebUI version to latest ([#945](https://github.com/open5gs/open5gs/issues/945)) -- [rriggio](https://github.com/rriggio)
#### Enhancement
- [MME/AMF] Retransmission on timer expiration for Registration accept / Attach accept