CCleaner

What's new in this version:

Changed:
- updated Linux Kernel based on version 5.6.3
- completely new NTP client and server implementation
- completely new User Manager implementation
- merged individual packages, only bundle and a few extra packages remain
- new Command Line Interface (CLI) style (RouterOS v6 commands are still supported)
- support for Let's Encrypt certificate generation
- support for REST API
- support for UEFI boot mode on x86

Networking:
- CHR FastPath support for "vmxnet3" and "virtio-net" drivers
- support for "Cake" and "FQ_Codel" type queues
- support for IPv6 NAT
- support for Layer 3 hardware acceleration on all CRS3xx devices
- support for MBIM driver with basic functionality support for all modems with MBIM mode
- support for MLAG on CRS3xx devices
- support for VRRP grouping and connection tracking data synchronization between nodes
- support for Virtual eXtensible Local Area Network (VXLAN)

Routing:
- completely new BGP implementation with performance improvements
- completely new IPv6 stack
- completely new MPLS implementation with interface lists, multipath and LDPv6 support
- completely new OSPF implementation with performance improvements
- completely new routing filtering with script-like rule syntax, RPKI support and large and extended community filtering
- support for IPv6 ECMP and VRF (including VRF-lite)
- support for IPv6 recursive routing and policy routing

VPN:
- support for L2TPv3
- support for OpenVPN UDP transport protocol
- support for WireGuard
- support for ZeroTier on ARM and ARM64 devices

Wireless:
- completely new alternative wireless package "wifiwave2" with 802.11ac Wave2, WPA3 and 802.11w management frame protection support (requires ARM CPU and 256MB RAM)