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 149.0.20260227.92902
Released 27 Feb 2026 - 496.23 kBWorks with firefox 149.0 to 149.*Source code released under Mozilla Public Licence 2.0
Version 149.0.20260225.100912
Released 25 Feb 2026 - 495.76 kBWorks with firefox 149.0 to 149.*Source code released under Mozilla Public Licence 2.0
Version 149.0.20260223.145655
Released 23 Feb 2026 - 495.76 kBWorks with firefox 149.0 to 149.*Source code released under Mozilla Public Licence 2.0
Version 148.0.20260216.153405
Released 16 Feb 2026 - 495.08 kBWorks with firefox 148.0 to 148.*Source code released under Mozilla Public Licence 2.0
Version 147.0.20260212.191108
Released 13 Feb 2026 - 490.49 kBWorks with firefox 147.0 to 147.*Source code released under Mozilla Public Licence 2.0
Version 148.0.20260213.95341
Released 13 Feb 2026 - 494.19 kBWorks with firefox 148.0 to 148.*Source code released under Mozilla Public Licence 2.0
Version 148.0.20260211.92213
Released 11 Feb 2026 - 494.1 kBWorks with firefox 148.0 to 148.*Source code released under Mozilla Public Licence 2.0
Version 148.0.20260209.90705
Released 9 Feb 2026 - 494.04 kBWorks with firefox 148.0 to 148.*Source code released under Mozilla Public Licence 2.0
Version 148.0.20260206.90715
Released 6 Feb 2026 - 493.89 kBWorks with firefox 148.0 to 148.*Source code released under Mozilla Public Licence 2.0
Version 148.0.20260204.91025
Released 4 Feb 2026 - 493.82 kBWorks with firefox 148.0 to 148.*Source code released under Mozilla Public Licence 2.0
Version 147.0.20260203.2554
Released 3 Feb 2026 - 490.52 kBWorks with firefox 147.0 to 147.*Source code released under Mozilla Public Licence 2.0
Version 148.0.20260202.90533
Released 2 Feb 2026 - 493.8 kBWorks with firefox 148.0 to 148.*Source code released under Mozilla Public Licence 2.0
Version 148.0.20260130.90557
Released 30 Jan 2026 - 493.63 kBWorks with firefox 148.0 to 148.*Source code released under Mozilla Public Licence 2.0
Version 148.0.20260128.90352
Released 28 Jan 2026 - 493.93 kBWorks with firefox 148.0 to 148.*Source code released under Mozilla Public Licence 2.0
Version 147.0.20260126.151322
Released 26 Jan 2026 - 490.52 kBWorks with firefox 147.0 to 147.*Source code released under Mozilla Public Licence 2.0
Version 148.0.20260126.90352
Released 26 Jan 2026 - 493.92 kBWorks with firefox 148.0 to 148.*Source code released under Mozilla Public Licence 2.0
Version 148.0.20260123.90351
Released 23 Jan 2026 - 493.9 kBWorks with firefox 148.0 to 148.*Source code released under Mozilla Public Licence 2.0
Version 148.0.20260121.90347
Released 21 Jan 2026 - 493.9 kBWorks with firefox 148.0 to 148.*Source code released under Mozilla Public Licence 2.0
Version 148.0.20260119.90523
Released 19 Jan 2026 - 493.64 kBWorks with firefox 148.0 to 148.*Source code released under Mozilla Public Licence 2.0
Version 148.0.20260116.90417
Released 16 Jan 2026 - 493.25 kBWorks with firefox 148.0 to 148.*Source code released under Mozilla Public Licence 2.0
Version 147.0.20260116.91309
Released 16 Jan 2026 - 490.52 kBWorks with firefox 147.0 to 147.*Source code released under Mozilla Public Licence 2.0
Version 148.0.20260114.90336
Released 14 Jan 2026 - 493.24 kBWorks with firefox 148.0 to 148.*Source code released under Mozilla Public Licence 2.0
Version 148.0.20260112.172829
Released 12 Jan 2026 - 493.21 kBWorks with firefox 148.0 to 148.*Source code released under Mozilla Public Licence 2.0
Version 147.0.20260105.210555
Released 6 Jan 2026 - 490.46 kBWorks with firefox 147.0 to 147.*Source code released under Mozilla Public Licence 2.0
Version 147.0.20251231.90510
Released 31 Dec 2025 - 489.93 kBWorks with firefox 147.0 to 147.*Source code released under Mozilla Public Licence 2.0