Download

How To Get Bugzilla

Instructions on how to obtain, install and configure Bugzilla are in the Installation and Maintenance Guide. That document also explains how to upgrade Bugzilla to a new version, move a Bugzilla installation between machines, and migrate from other bug-tracking systems.

If you are installing a new Bugzilla, the latest stable release series (and so the one you should choose unless you have a good reason for doing otherwise) is the 4.4 series. You will need this information when following the installation instructions.

If you are upgrading, note that you can upgrade directly from any old Bugzilla version to any new release—you do not have to go via the releases in between. You should upgrade to the latest stable series, 4.4, and read the Release Notes. If you want to know exactly what's changed from one version to the next, you can view the changelogs.

Bugzilla is licensed under the Mozilla Public License 2.0, and is thus both free and open source software.

Bugzilla Addons

For a list of programs that can enhance and interact with Bugzilla in various ways, see our Addons list.

Localized Templates

This is a list of currently-known localizations of the Bugzilla UI. These are third-party contributions, so if you need help with any of them, please contact the maintainer of the particular localization.

The short version of how to install/use these is at the end of the Localization Guide.

Tag Language Available versions Maintainer
4.0 4.2 4.4
bg Български език / Bulgarian 4.0.14 4.2.10 4.4.5 Георги Д. Сотиров (Georgi D. Sotirov)
cs Čeština/Czech 4.0.x 4.2.x 4.4 Norbert Volf
de Deutsch / German
4.0.15 4.2.11 4.4.6 Marc Schumann
es Español / Spanish 4.0.10 4.2.5   Oscar Manuel Gómez Senovilla
fr Français / French 4.0.15 4.2.11 4.4.6 Cédric Corazza
ja 日本語 / Japanese 4.0.15 4.2.11 4.4.6 Atsushi Shimono
pl Polski / Polish 4.0.10 4.2.6   Aviary.pl team
ru Русский / Russian 4.0.13 4.2.9 4.4.4 Виталий Федрушков (Vitaly Fedrushkov), Alexander L. Slovesnik, Alexey Gladkov
zh_TW 繁體中文/ Chinese (Traditional) 4.0.15 4.2.11 4.4.6  

If you have additions or corrections for this list, please contact the Bugzilla l10n team.

If your language is not listed here, do not give up. Look at the list of all known localization efforts. Listed there are works in progress, older releases for unsupported Bugzilla versions, and orphaned projects. We don't advise using unsupported releases, but it may be a good place to start if you want to bring a localization up to date.

Stable Release (4.4.6)

Bugzilla 4.4.6 is the latest stable release in the 4.4 series.

A look at the new features in 4.4 can be found in the 4.4 Release Notes.

We encourage all users, especially upgraders, to read the Release Notes before installing Bugzilla 4.4.6.

The best way to get Bugzilla is to follow the instructions in the Installation and Maintenance Guide, which use the 'git' version control system. However, if you do need to download a tarball or a patch, here they are:

Download

Bugzilla 4.4.6 (2.9M)

Patches

4.4.5 to 4.4.6 patch (56.8K) without docs (9.2K)
4.4.4 to 4.4.6 patch (65.8K) without docs (16.4K)
4.4.3 to 4.4.6 patch (66.9K) without docs (17.5K)
4.4.2 to 4.4.6 patch (84.8K) without docs (32.1K)
4.4.1 to 4.4.6 patch (93.8K) without docs (38.9K)
4.4 to 4.4.6 patch (125.7K) without docs (62.4K)

Development Snapshot (4.5.6)

Bugzilla 4.5.6 is our latest development snapshot leading to Bugzilla 5.0.

Use of a development branch is at your own risk. They receive very little testing, so expect this release to be unstable. Users of 4.4 or older 4.5 releases are encouraged to try out new 4.5 releases in a testing environment and let us know of any problems that are found with the release.

A look at the new features that will be in Bugzilla 5.0 can be found in our latest Status Updates.

The best way to get Bugzilla is to follow the instructions in the Installation and Maintenance Guide, which use the 'git' version control system. However, if you do need to download a tarball or a patch, here they are:

Download

Bugzilla 4.5.6 (3.0M)

Old Stable Release (4.2.11)

4.2.11 is the old stable version of Bugzilla. If you are doing a new installation of Bugzilla, we recommend that you use the latest stable version instead of a 4.2 version.

An overview of the new features in 4.2 can be found in the 4.2 Release Notes.

We encourage all users, especially upgraders, to read the Release Notes before installing Bugzilla 4.2.11.

The best way to get Bugzilla is to follow the instructions in the Installation and Maintenance Guide, which use the 'git' version control system. However, if you do need to download a tarball or a patch, here they are:

Download

Bugzilla 4.2.11 (2.9M)

Patches

4.2.10 to 4.2.11 patch (11.5K) without docs (6.3K)
4.2.9 to 4.2.11 patch (13.4K) without docs (8.1K)
4.2.8 to 4.2.11 patch (14.4K) without docs (9.1K)
4.2.7 to 4.2.11 patch (18.3K) without docs (12.0K)
4.2.6 to 4.2.11 patch (24.0K) without docs (16.8K)
4.2.5 to 4.2.11 patch (47.9K) without docs (27.8K)
4.2.4 to 4.2.11 patch (53.3K) without docs (32.8K)
4.2.3 to 4.2.11 patch (69.9K) without docs (42.9K)
4.2.2 to 4.2.11 patch (76.6K) without docs (49.4K)
4.2.1 to 4.2.11 patch (83.8K) without docs (55.3K)
4.2 to 4.2.11 patch (121.3K) without docs (74.8K)

Legacy Release (4.0.15)

Bugzilla 4.0.15 is the legacy release of Bugzilla. It is kept here for sites still running the 4.0 codebase to enable them to pick up security updates. All users are recommended to use Bugzilla 4.4.6 instead, and users of Bugzilla 4.0 are encouraged to upgrade to 4.4.6 as soon as possible.

The best way to get Bugzilla is to follow the instructions in the Installation and Maintenance Guide, which use the 'git' version control system. However, if you do need to download a tarball or a patch, here they are:

Download

Bugzilla 4.0.15 (2.8M)

Patches

4.0.14 to 4.0.15 patch (27.8K) without docs (6.7K)
4.0.13 to 4.0.15 patch (11.7K) without docs (6.7K)
4.0.12 to 4.0.15 patch (14.1K) without docs (8.9K)
4.0.11 to 4.0.15 patch (16.0K) without docs (10.2K)
4.0.10 to 4.0.15 patch (34.1K) without docs (14.7K)
4.0.9 to 4.0.15 patch (36.6K) without docs (16.9K)
4.0.8 to 4.0.15 patch (40.9K) without docs (20.0K)
4.0.7 to 4.0.15 patch (41.7K) without docs (20.8K)
4.0.6 to 4.0.15 patch (43.3K) without docs (22.1K)
4.0.5 to 4.0.15 patch (48.3K) without docs (25.5K)
4.0.4 to 4.0.15 patch (50.2K) without docs (27.2K)
4.0.3 to 4.0.15 patch (58.9K) without docs (30.6K)
4.0.2 to 4.0.15 patch (78.9K) without docs (41.8K)
4.0.1 to 4.0.15 patch (97.5K) without docs (58.6K)
4.0 to 4.0.15 patch (112.8K) without docs (68.7K)

Archives

If for some reason you need a very old version of Bugzilla, you can download tarballs from the Bugzilla FTP site.