Using an old version of the Waterfox browser is a choice often driven by the need for legacy compatibility, but it requires balancing unique features against significant security trade-offs. While modern versions focus on speed and security, older versions like remain popular for their ability to run legacy Firefox extensions that no longer work on modern "Quantum" engines. Why Users Seek Old Waterfox Versions
Based on a much older Gecko engine, this was the long-term stable branch for legacy extension users. However, it was effectively discontinued in late 2022 due to the difficulty of backporting security fixes to such old code. waterfox browser old version
Older versions allow for deep UI tweaks, such as placing tabs below the address bar or using the Classic Theme Restorer , which are often restricted in newer releases. Using an old version of the Waterfox browser