Text selection in continuous scroll mode fails on iOS 12

[chris311375]

This issue is a Bug

Related issue(s) and/or pull request(s)

n/a

Expected Behaviour

Text selection can be extended by dragging selection handle.

Observed behaviour

Text selection collapses to a single character.

Steps to reproduce

1. Build and launch SDKLauncher-iOS on a device or simulator running iOS 12
2. Select 'moby-dick-20120118.epub'
3. Select 'Spine Items'
4. Select 'xchapter_003'
5. Select right bar button item (share icon) to open Settings popover
6. Select Scroll > Continuous
7. Scroll the page several paragraphs (problem does not occur at top of page)
8. Long-press to select text
9. Attempt to extend the selection by dragging a selection handle

Product

• SDKLauncher-iOS on iOS 12

Additional information

Problem does not occur on iOS 11, so it may be an Apple bug.