Monitoring Features

• Critical Resource Monitoring
• gRPC
• Dtel support
• Sensor transceiver monitoring
• Everflow enhancement
• L3 RIF counter support
• sFlow
• HW resource monitor

Routing/Switching Features

• BGP/Neighbor-down fib-accelerate
• IPv6 ACL
• Egress ACL bug fix and ACL CLI enhancement
• Routing Stack Graceful Restart
• Basic VRF and L3 VXLAN
• BGP-EVPN support(type 5), (related HLD Fpmsyncd,Vxlanmgr,template)
• VRF
• MLAG
• NAT

QoS Features

• PFC WD
• Asymmetric PFC
• PFC Watermark
• Sub-port support
• Egress mirroring and ACL action support check via SAI
• Configurable drop counters

System

• Debian Kernel Upgrade to 4.9
• Warm Reboot
• Incremental Config (IP, LAG, Port shut/unshut)
• ZTP - design review in progress
• Mgmt VRF
• L3 perf enhancement
• Management Framework
• Build time improvements
• Log analyzer to pytest
• BFD - SW - 100ms interval from FRR
• Debug Framework
• Inband Flow Analyzer
• L2 functional and performance enhancements
• Multi-DB optimization

Platform Related

• PMon Refactoring
• Transceiver parameter tuning
• SSD diagnostic tolling
• Platform Development Environment
• STP/PVST

Please refer to SONiC Roadmap page for which release, a particular feature is in.