XQUIC 1.3.0-beta

What's Changed

• [-] remove redundant code in the window filter;
• [+] add a new congestion controller, Copa (issue: #130);
• [~] fix several bugs in BBR, Cubic (issues: #243, #194), and Rate Sampling;
• [+] add a macro to disable the ad-hoc heuristics in BBR;
• [+] add an internal function to get MSS.

New Contributors

• @yangfurong (PR: #258)

Full Changelog: v1.2.0-stable...v1.3.0-beta