FIrefox 57.0.2
https://www.mozilla.org/en-US/firefox/57.0.2/releasenotes/
Block old versions of G Data Endpoint Security for crashing Firefox on start up - Windows only (bug 1421991)
Fix a regression with WebGL and D3D9 - Windows only
Note: As I post this, the internal updater is not yet finding the update.
Available via the internal updater: Help / About Firefox