Release v3.1.9

Full Changelog: v3.1.8...v3.1.9

Release v3.1.8

Full Changelog: v3.1.7...v3.1.8

Release v3.1.5

Full Changelog: v3.1.4...v3.1.5

Release v3.1.2

Full Changelog: v3.1.1...v3.1.2

v3.1.1

percent fix

v3.1

progress bar repaired

v2.0

new version