This is a regression, but as this is reproducible on RTL locales only and Mozregression doesn't provide an option to bisect with a specific language, I can't provide the exact regression window. STR: 1. Run an RTL'd version of Nightly (Hebrew, Arabic etc). Setting intl.uidirection to 1 won't matter here -- you need an actual RTL build 2. Open http://dl3.webmfiles.org/elephants-dream.webm 3. Right after the video starts playing, reload the page 4. Observe the error message text AR: See attached. The letters are reversed and written as: הקספוה ואדיוו תניעט Completely unreadable. ER: The text should be: טעינת הווידאו הופסקה Note that this is different from bug 955983 -- there, the directionality is LTR so the sentence is messed up a bit if LTR characters are present. Here, the text itself is written the wrong way. According to the screenshot, in English it'd be "deppots gnidaol oediV".
Bug 1543828 Comment 0 Edit History
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This is a regression, but as this is reproducible on RTL locales only and Mozregression doesn't provide an option to bisect with a specific language, I can't provide the exact regression window. STR: 1. Run an RTL'd version of Nightly (Hebrew, Arabic etc). Setting intl.uidirection to 1 won't matter here -- you need an actual RTL build 2. Open http://dl3.webmfiles.org/elephants-dream.webm 3. Right after the video starts playing, reload the page 4. Observe the error message text AR: See attached. The letters are reversed and written as: הקספוה ואדיוו תניעט Completely unreadable. ER: The text should be: טעינת הווידאו הופסקה Note that this is different from bug 955983 -- there, the text directionality is LTR so the sentence is messed up a bit if LTR characters are present. Here, the text itself is written the wrong way. According to the screenshot, in English it'd be "deppots gnidaol oediV".