v2.2.2 — WebDav HTTP2, Horizontal scroll fix, and Rendering Improvements

What's Changed

• Fix WebDAV PUT hangs on HTTP/2 by removing forced Expect header and add protocol-aware sync integration tests by @Copilot in #51
• minor render optimization by @alexdremov in #52
• Horizontal scroll feature by @alexdremov in #53

Full Changelog: v2.2.1...v2.2.2