https://connect.mozilla.org/t5/discussions/youtube-fails-on-developer-version/m-p/124050#M48876 <P>Major issues here with Developer. I can shut off ALL extensions. Hit or miss. Using no extensions or all kinds of stuff...Discovery, Ghostery &amp; Ublock...and it works fine on standard version. It is a developer version issue with me. Page loads real slowly, usually with a blank space where video should be...even if the rest shows. Refresh can take a long time, if it even lets me refresh with out ctrl f5. Zero issues...so far...on standard version.</P> Tue, 28 Apr 2026 18:55:25 GMT Doc666 2026-04-28T18:55:25Z https://connect.mozilla.org/t5/discussions/youtube-fails-on-developer-version/m-p/124050#M48876 <P>Major issues here with Developer. I can shut off ALL extensions. Hit or miss. Using no extensions or all kinds of stuff...Discovery, Ghostery &amp; Ublock...and it works fine on standard version. It is a developer version issue with me. Page loads real slowly, usually with a blank space where video should be...even if the rest shows. Refresh can take a long time, if it even lets me refresh with out ctrl f5. Zero issues...so far...on standard version.</P> Tue, 28 Apr 2026 18:55:25 GMT https://connect.mozilla.org/t5/discussions/youtube-fails-on-developer-version/m-p/124050#M48876 Doc666 2026-04-28T18:55:25Z