v0.4.4

This is a bug fix release for panel exchange.

What's Changed

• cherry pick 3 commits for max exchange steps parallel by @stevenwarejones in #1486
• Cherry pick private key blob key by @stevenwarejones in #1487
• cherry pick beam main shaded jar by @stevenwarejones in #1490
• Fix errors introduced in 532e4f2. by @SanjayVas in #1492

Full Changelog: v0.4.3...v0.4.4