Bug 149587 – mobile reddit font size increases when navigating back sometimes

• Status: RESOLVED
• Resolution: FIXED
• Component: Layout and Rendering

[Chris Rebert]

Perhaps this is related to text size inflation/boosting?

Steps to reproduce:
1. Open https://www.reddit.com/r/adviceanimals/.compact in Safari on iOS 9 (see screenshot)
2. Tap the title of one of the meme entries
3. If you are taken to a webpage instead of directly to an image file, start over and choose a different entry.
4. Tap the Back button or swipe back to navigate back to the subreddit homepage

Expected result:
The page should look basically the same as it did in Step 1.
In particular, the text should be the same size.

Actual result:
The size of all of the page's text has been increased for no apparent reason.
See screenshot.

[Chris Rebert]

Created attachment 261990 [details]
Screenshot upon first visiting subreddit homepage; text is normal size

[Chris Rebert]

Created attachment 261991 [details]
Screenshot after navigating back from an image; text size has increased

[Chris Rebert]

<rdar://problem/22873240>

[Chris Rebert]

Apparently this isn't image-specific.
The same problem occurs when going to https://www.reddit.com/r/programming/comments/3mtzdq/git_260_released/cvi8b4m.compact ,
tapping the "Obligatory" link, and then going back.

[Simon Fraser (smfr)]

Seems like we're triggering text-size-adjustment code now, and didn't before.

[Chris Rebert]

This appears to have been fixed in iOS 10.

[Simon Fraser (smfr)]

This was fixed in https://trac.webkit.org/changeset/200588