The editor Crashes when adding a Caption to a Gallery block

[antonis]

Describe the bug
The editor Crashes when adding a Caption to a Gallery block

To Reproduce
Follow the steps on TC003 or:

1. Add a Gallery block
2. Add some images from the device or media library
3. Tap on the gallery caption
4. Notice the the editor crashes

The Crash occurs both on Android and iOS

Expected behavior
The user is able to add a gallery caption.

Screenshots

device-2021-05-17-144841.mp4

Smartphone (please complete the following information):

• Device: Pixel 2 XL, iPhone SE
• OS: Android 11.0, iOS 14.4
• Version Gutenberg Mobile 1.53.0

[mkevins]

I have reproduced this issue, and debugging it points to the removal of the onFocusGalleryCaption in this commit: WordPress/gutenberg@9a6e3fc, in this PR: WordPress/gutenberg#31796. I have confirmed that after reverting those changes, I can no longer reproduce the crash.

[fluiddot]

This issue can be also reproduced in version 17.3.2.

Sentry issue ID: 1509710590

[AmandaRiu]

NOTE: This crash was fixed in this PR and included in the gutenberg-mobile 1.53.1 release which is bundled in the 17.4 release of the WordPress apps.