These are detailed here, https://cambridge-ceu.github.io/csd3/applications/firefox.html.
we have from module avail ceuadmin/firefox:
27/4/2026
--------------------------------------------------- /usr/local/Cluster-Config/modulefiles ----------------------------------------------------
ceuadmin/firefox/60.5.1-1.el7 ceuadmin/firefox/150.0 ceuadmin/firefox/152.0a1 ceuadmin/firefox/nightly
24/4/2026
--------------------------------------------------- /usr/local/Cluster-Config/modulefiles ----------------------------------------------------
ceuadmin/firefox/60.5.1-1.el7 ceuadmin/firefox/150.0 ceuadmin/firefox/151.0a1 ceuadmin/firefox/nightly
26/3/2026
---------------------------------------------------- /usr/local/Cluster-Config/modulefiles -----------------------------------------------------
ceuadmin/firefox/60.5.1-1.el7 ceuadmin/firefox/149.0 ceuadmin/firefox/151.0a1 ceuadmin/firefox/nightly
20/1/2026
--------------------------------------------------- /usr/local/Cluster-Config/modulefiles ----------------------------------------------------
ceuadmin/firefox/60.5.1-1.el7 ceuadmin/firefox/147.0.1 ceuadmin/firefox/148.0a1 ceuadmin/firefox/nightly
29/9/2025
--------------------------------------------------- /usr/local/Cluster-Config/modulefiles ---------------------------------------------------
ceuadmin/firefox/60.5.1-1.el7 ceuadmin/firefox/143.0.1 ceuadmin/firefox/143.0a1 ceuadmin/firefox/145.0a1 ceuadmin/firefox/nightly
such that
- 60.5.1-1.el7 is actually a singularity module.
- 143.0.1 is the first official release at ceuadmin.
- 145.0a1 is officially nightly.
- ceuadmin/firefox/nightly is still a symbolic link to 143.0a1.
The general context is described here, https://cambridge-ceu.github.io/csd3/systems/web.html.
A real-world usage on CSD3 is shown here, https://jinghuazhao.github.io/Caprion/.