September 25, 2018 Firefox 1.5 beta released to public Friday, September 9, 2005 A beta release of the next major version of the Mozilla Foundation‘s web browser, Firefox 1.5 (formerly called “Deer Park”, the codename for Firefox 1.5), is now available for download. Contents 1 New features 2 Availability 3 Further release 4 New version compatibility and beta related problems 5 A note on version numbers 6 Response 7 External links 8 Sources