seb-mac

seb-mac copied to clipboard

We've been noticing a strange problem during SEB exams using Moodle. While writing in essay text boxes, text bits are randomly inserted and replaced in the current text box, but also in the question text. The text fragments come and go as the user types or even drags the text window to resize it.

Here are two videos showing the problem:

https://github.com/SafeExamBrowser/seb-mac/assets/151922501/480b479f-ff32-4d51-b008-dc6b3e1d87d4

https://github.com/SafeExamBrowser/seb-mac/assets/151922501/9045d4b8-7470-48aa-8417-2ce18ae4187d

Observations:

• Only happens on Macs (Both Intel and M1), not on Windows
• Only observed on macOS 14.0 and 14.1.1
• started happening around two months ago (around release of macOS 14)
• Only affects a sample of users, perhaps 5-10%
• I personally can't replicate it on an Intel MacBook Pro with macOS 14.1.1 and SEB 3.3
• Doesn't affect users every time, sometimes it works fine (without hardware / software changes)
• Page reload / previous+next page doesn't solve it
• hasn't been observed without SEB
• occurs on SEB 3.3
• Moodle version used: 4.1.2+ (Build: 20230318), no 3rd party theme etc.
• The text pieces are fragments of previously written text in the same quiz

We'd be very grateful for tips and ideas on causes and solutions, thanks a lot and best regards! Happy to provide further info as needed.