System: Based on openwrt 19.07.8 (AR150,MIFI,AR300M,USB150,N300,AR750,AR750S,X750,E750,X1200,XE300,MT1300,MT300N-V2,MV1000) Based on QSDK11 (B1300,S1300,AP1300) Security: 1. Firewall WAN input default setting was changed from Reject to DROP. 2. Merge the security vulnerability fixed by OpenWRT 19.07.8 New features: 1. MAC cloning is supported in Repeater mode. (MT1300,MT300N-V2) Software Upgrade: 1. Upgraded TOR to 4.6.8 2. Upgraded Stubby to 0.3.0 Optimization: 1. The offline client statistics function takes effect after the administrator password is set. 2. File sharing the mnt directory cannot be shared without external disk. 3. The modem adds some prompt information when connecting. 4. Fixed some language translation issues. 5. After Luci is installed, clicking the link will create a new page. 6. MV1000 samba supports data folder sharing 7. Administrator password containing more than 32 characters cannot be submitted. Important bugfix: 1. Fixed MT1300 network port negotiation rate probability is only 10MB. 2. Fixed the data leakage problem caused by the failure of VPN policy after device restart when connecting to some VPNs. 3. Fixed MT300N-V2 uplink speed limit does not take effect. 4. Fix X1200 GPS data inaccuracies. 5. Fixed Repeater scans would not display on the small screen. 6. Fixed wireGuard failure to reconnect when using NAT acceleration. 7. Fixed RTTY frequent disconnections. 8. Fixed IPV6 connection loss after using DHCP for a period of time. 9. Fixed IPV6 could not specify a prefix length when setting static addresses. 10. Fixed Luci was successfully installed but not available on unstable networks. 11. Fixed OpenVPN could not recognize separate key files. 12. Fixed wireGuard memory leak in the absence of network connection. 13. Fixed MT300N-V2 WDS not working. 14. Fix inaccurate client statistics. 15. Fixed MT300N-V2 GPIO4,GPIO5 can not be used. 16. Fixed connection failure when the OpenVPN profile contained the COMPRESS LZO option. 17. Fixed DNS leak when killSwitch is enabled but there is no VPN connection. 18. Fix PPPOE cannot connect to the PAP/EAP server. 19. Fixed PPPOE disconnects repeatedly when connecting to servers that do not support IPV6. 20. Fixed MT300N-V2 on startup Ethernet port probability is not recognized. 21. Fixed Mt300n-v2 repeated disconnection when VPN POLICY is enabled. Other: 1. Supports firmware upgrades to 21.02 of OpenWRT 2. Supports firmware upgrades to 4.x.x of GL.iNet