たこすけ さん お知らせありがとうございます。
Firefox Notes
Fixed Systems with first generation NVidia Optimus graphics cards may crash on start-up
Fixed Users who import cookies from Google Chrome can end up with broken websites
Fixed Large animated images may fail to play and may stop other images from loading
Fixed WebRTC H264 video streams from CiscoSpark native clients are not decoded correctly. (Fixed in Firefox ESR 38.0.1; was already fixed in Firefox 38.0)
更新されていないけど
Security Advisories for Firefox
Firefox 38.0 で停止していた自動更新再開
