Czech (CZ) Language Pack version history - 25 versions
Czech (CZ) Language Pack by Firefox
Be careful with old versions! These versions are displayed for testing and reference purposes.
Versions
Version 155.0.20260817.142839
Released 17 Aug 2026 - 545.05 kBWorks with firefox 155.0 to 155.*Source code released under Mozilla Public Licence 2.0
Version 155.0.20260813.141559
Released 13 Aug 2026 - 545 kBWorks with firefox 155.0 to 155.*Source code released under Mozilla Public Licence 2.0
Version 154.0.20260812.182057
Released 12 Aug 2026 - 538.17 kBWorks with firefox 154.0 to 154.*Source code released under Mozilla Public Licence 2.0
Version 154.0.20260812.80401
Released 12 Aug 2026 - 538.17 kBWorks with firefox 154.0 to 154.*Source code released under Mozilla Public Licence 2.0
Version 153.0.20260810.162159
Released 10 Aug 2026 - 523.82 kBWorks with firefox 153.0 to 153.*Source code released under Mozilla Public Licence 2.0
Version 154.0.20260810.90305
Released 10 Aug 2026 - 538.12 kBWorks with firefox 154.0 to 154.*Source code released under Mozilla Public Licence 2.0
Version 154.0.20260807.95657
Released 7 Aug 2026 - 535.67 kBWorks with firefox 154.0 to 154.*Source code released under Mozilla Public Licence 2.0
Version 154.0.20260805.90729
Released 5 Aug 2026 - 535.69 kBWorks with firefox 154.0 to 154.*Source code released under Mozilla Public Licence 2.0
Version 153.0.20260803.132010
Released 3 Aug 2026 - 523.83 kBWorks with firefox 153.0 to 153.*Source code released under Mozilla Public Licence 2.0
Version 154.0.20260803.90350
Released 3 Aug 2026 - 535.66 kBWorks with firefox 154.0 to 154.*Source code released under Mozilla Public Licence 2.0
Version 154.0.20260731.90442
Released 31 Jul 2026 - 535.67 kBWorks with firefox 154.0 to 154.*Source code released under Mozilla Public Licence 2.0
Version 154.0.20260729.90538
Released 29 Jul 2026 - 535.55 kBWorks with firefox 154.0 to 154.*Source code released under Mozilla Public Licence 2.0
Version 153.0.20260727.124451
Released 27 Jul 2026 - 523.68 kBWorks with firefox 153.0 to 153.*Source code released under Mozilla Public Licence 2.0
Version 154.0.20260727.90355
Released 27 Jul 2026 - 534.46 kBWorks with firefox 154.0 to 154.*Source code released under Mozilla Public Licence 2.0
Version 154.0.20260724.90549
Released 24 Jul 2026 - 534.42 kBWorks with firefox 154.0 to 154.*Source code released under Mozilla Public Licence 2.0
Version 154.0.20260722.90302
Released 22 Jul 2026 - 534.43 kBWorks with firefox 154.0 to 154.*Source code released under Mozilla Public Licence 2.0
Version 154.0.20260720.195614
Released 20 Jul 2026 - 534.31 kBWorks with firefox 154.0 to 154.*Source code released under Mozilla Public Licence 2.0
Version 153.0.20260715.202819
Released 15 Jul 2026 - 523.63 kBWorks with firefox 153.0 to 153.*Source code released under Mozilla Public Licence 2.0
Version 153.0.20260715.125817
Released 15 Jul 2026 - 523.61 kBWorks with firefox 153.0 to 153.*Source code released under Mozilla Public Licence 2.0
Version 152.0.20260713.164047
Released 13 Jul 2026 - 515.76 kBWorks with firefox 152.0 to 152.*Source code released under Mozilla Public Licence 2.0
Version 153.0.20260713.124625
Released 13 Jul 2026 - 523.51 kBWorks with firefox 153.0 to 153.*Source code released under Mozilla Public Licence 2.0
Version 153.0.20260710.112311
Released 10 Jul 2026 - 522.89 kBWorks with firefox 153.0 to 153.*Source code released under Mozilla Public Licence 2.0
Version 153.0.20260708.90532
Released 8 Jul 2026 - 522.81 kBWorks with firefox 153.0 to 153.*Source code released under Mozilla Public Licence 2.0
Version 152.0.20260706.120035
Released 6 Jul 2026 - 515.68 kBWorks with firefox 152.0 to 152.*Source code released under Mozilla Public Licence 2.0
Version 153.0.20260706.90322
Released 6 Jul 2026 - 522.76 kBWorks with firefox 153.0 to 153.*Source code released under Mozilla Public Licence 2.0