- Move enb_ostream_id from mme_ue to enb_ue context ([#206](https://github.com/open5gs/open5gs/issues/206)) -- [lezixiao](https://github.com/lezixiao)
- Fix the MME crash EMM status following Initial Context Setup Response ([#205](https://github.com/open5gs/open5gs/issues/205)) -- [lezixiao](https://github.com/lezixiao)
- Fix the SGW crash for "Context Not Found" ([#204](https://github.com/open5gs/open5gs/issues/204)) -- [lezixiao](https://github.com/lezixiao)
- Fix the Multiple Attachment for same IMSI ([#203](https://github.com/open5gs/open5gs/issues/203)) -- [lezixiao](https://github.com/lezixiao)
- Add Handler of the Service Request and TAU Request in Security-mode state ([#202](https://github.com/open5gs/open5gs/issues/202)) -- [lezixiao](https://github.com/lezixiao)
- Fix Service reject handler ([#201](https://github.com/open5gs/open5gs/issues/201)) -- [lezixiao](https://github.com/lezixiao)
- Clear resources when SCTP-send failed ([#200](https://github.com/open5gs/open5gs/issues/200)) -- [lezixiao](https://github.com/lezixiao)