Well if you can still reproduce it - I've not seen any other reports about it since I made changes to the system... Pointing out bugs in the test forum is pretty much the last place they'll be seen.
screengrab from 5 minutes ago:
this image is an embedded attachment, already shown full size in the post. i opened the image on the right, then moused over the image on the left to demonstrate the tooltip: View attachment 9607
this one will also open an oversized image, although they frequently dont. note that subsequent embeds of the same image on that page in follow up posts didnt display the same behaviour. neither did this one on the second visit to the page:
View attachment 9608
ive noticed this since the earliest betas. i always figured it was a known bug, so i never commented on it.
these screengrabs were done while using win ff 3.6.13. the incident yesterday occurred while using win ff 4b8. i havent noticed if this is happening on linux or not. ive gotten pretty used to this bug.
View attachment 9819