XO Extension version history - 20 versions
XO Extension by pepito
Be careful with old versions! These versions are displayed for testing and reference purposes.You should always use the latest version of an add-on.
Latest version
Version 4.0.71
Released Oct 21, 2026 - 2.28 MBWorks with firefox 58.0 and later, android 120.0 and laterSource code released under Mozilla Public License 2.0
Older versions
Version 4.0.70
Released Oct 21, 2026 - 2.28 MBWorks with firefox 58.0 and later, android 120.0 and laterSource code released under Mozilla Public License 2.0
Version 4.0.68
Released Oct 19, 2026 - 2.29 MBWorks with firefox 58.0 and later, android 120.0 and laterSource code released under Mozilla Public License 2.0
Version 4.0.67
Released Oct 19, 2026 - 2.29 MBWorks with firefox 58.0 and later, android 120.0 and laterSource code released under Mozilla Public License 2.0
Version 4.0.66
Released Oct 19, 2026 - 2.29 MBWorks with firefox 58.0 and later, android 120.0 and laterSource code released under Mozilla Public License 2.0
Version 4.0.65
Released Oct 19, 2026 - 2.29 MBWorks with firefox 58.0 and later, android 120.0 and laterSource code released under Mozilla Public License 2.0
Version 4.0.64
Released Oct 19, 2026 - 2.29 MBWorks with firefox 58.0 and later, android 120.0 and laterSource code released under Mozilla Public License 2.0
Version 4.0.62
Released Oct 19, 2026 - 2.29 MBWorks with firefox 58.0 and later, android 120.0 and laterSource code released under Mozilla Public License 2.0
Version 4.0.60
Released Oct 19, 2026 - 2.29 MBWorks with firefox 58.0 and later, android 120.0 and laterSource code released under Mozilla Public License 2.0
Version 4.0.55
Released Oct 18, 2026 - 2.28 MBWorks with firefox 58.0 and later, android 120.0 and laterSource code released under Mozilla Public License 2.0
Version 4.0.49
Released Oct 18, 2026 - 2.28 MBWorks with firefox 58.0 and later, android 120.0 and laterSource code released under Mozilla Public License 2.0
Version 4.0.47
Released Oct 18, 2026 - 2.28 MBWorks with firefox 58.0 and later, android 120.0 and laterSource code released under Mozilla Public License 2.0
Version 4.0.39
Released Oct 16, 2026 - 2.27 MBWorks with firefox 58.0 and later, android 120.0 and laterSource code released under Mozilla Public License 2.0
Version 4.0.38
Released Oct 16, 2026 - 2.27 MBWorks with firefox 58.0 and later, android 120.0 and laterSource code released under Mozilla Public License 2.0
Version 4.0.35
Released Oct 16, 2026 - 2.27 MBWorks with firefox 58.0 and later, android 120.0 and laterSource code released under Mozilla Public License 2.0
Version 4.0.34
Released Oct 16, 2026 - 2.27 MBWorks with firefox 58.0 and later, android 120.0 and laterSource code released under Mozilla Public License 2.0
Version 4.0.20
Released Oct 14, 2026 - 2.27 MBWorks with firefox 58.0 and later, android 120.0 and laterSource code released under Mozilla Public License 2.0
Version 4.0.19
Released Oct 14, 2026 - 2.27 MBWorks with firefox 58.0 and later, android 120.0 and laterSource code released under Mozilla Public License 2.0
Version 4.0.12
Released Oct 14, 2026 - 2.27 MBWorks with firefox 58.0 and later, android 120.0 and laterSource code released under Mozilla Public License 2.0
Version 4.0.0
Released Oct 11, 2026 - 2.26 MBWorks with firefox 58.0 and later, android 120.0 and laterSource code released under Mozilla Public License 2.0