#### Installed 95.0a1 (2021-10-09) (64-bit) 2021-10-09-21-26-22 - Mouse-over toolbar icon results in `Layout was forced before the page was fully loaded. If stylesheets are not yet loaded this may cause a flash of unstyled content.` message on Toolbox - Extension - Console - There is no `TypeError: data is undefined ` error - pop-up (& sidebar) seem to work fine so far #### Installed previous versions one by one and the result is: - 2021-10-09-21 has `Layout was forced before..` on mouse-over but no error & pop-up worked while testing (limited time) - 2021-10-10-21 has `Layout was forced before..` on mouse-over plus `TypeError: data is undefined` error & pop-up worked while testing (limited time) ?! - 2021-10-11-21 has `Layout was forced before..` on mouse-over plus `TypeError: data is undefined` error & pop-up starts to fail - 2021-10-12-09 has `Layout was forced before..` on mouse-over plus `TypeError: data is undefined` error & pop-up starts to fail - 2021-10-12-21 has `Layout was forced before..` on mouse-over plus `TypeError: data is undefined` error & pop-up starts to fail - 2021-10-13-03 has `Layout was forced before..` on mouse-over plus `TypeError: data is undefined` error & pop-up starts to fail - 2021-10-13-21 has `Layout was forced before..` on mouse-over plus `FrameData missing for` error & pop-up starts to fail It is possible that the problem is related to the error `TypeError: data is undefined` & later `FrameData missing for`. Tracing the errors might shed some light on the issue.
Bug 1735899 Comment 8 Edit History
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#### Installed 95.0a1 (2021-10-09) (64-bit) 2021-10-09-21-26-22 - Mouse-over toolbar icon results in `Layout was forced before the page was fully loaded. If stylesheets are not yet loaded this may cause a flash of unstyled content.` message on Toolbox - Extension - Console - There is no `TypeError: data is undefined ` error - pop-up (& sidebar) seem to work fine so far #### Installed previous versions one by one and the result is: - 2021-10-09-21 has `Layout was forced before..` on mouse-over but no error & pop-up worked while testing (limited time) - 2021-10-10-21 has `Layout was forced before..` on mouse-over plus `TypeError: data is undefined` error & pop-up worked while testing (limited time) ?! - 2021-10-11-21 has `Layout was forced before..` on mouse-over plus `TypeError: data is undefined` error & pop-up starts to fail - 2021-10-12-09 has `Layout was forced before..` on mouse-over plus `TypeError: data is undefined` error & pop-up starts to fail - 2021-10-12-21 has `Layout was forced before..` on mouse-over plus `TypeError: data is undefined` error & pop-up starts to fail - 2021-10-13-03 has `Layout was forced before..` on mouse-over plus `TypeError: data is undefined` error & pop-up starts to fail - 2021-10-13-21 has `Layout was forced before..` on mouse-over plus `FrameData missing for` error & pop-up starts to fail It is possible that the problem is related to the error `TypeError: data is undefined` & later `FrameData missing for`. Tracing the errors might shed some light on the issue. Nonetheless, it is worthwhile eliminating the error (as well as the notice) and hopefully the pop-up issue could get solves as a result.