ci: bump patch version to 3.8.9

docs: update newly added features and release credits

ci: bump patch version to 3.6.5

fix: windows scrollbars transparency too

feat: graduate out of beta and fix web cache issues

test: more integration test for file recovery

fix: hyperlinks in newly added features not working

chore: reset cache to rollout new features

ci: bump patch version to 3.1.17

feat: xhtml live previews