v0.6.4 Commit improvement, Distributed progress tracker for fragment writer

What's Changed

• feat: rebase restore feature on top of transactions feature by @westonpace in #1143
• feat: pass commit handler on dataset load by @wjones127 in #1154
• Track writing fragment progress by @eddyxu in #1146

Full Changelog: v0.6.3...v0.6.4