empty extension popups

[carp]

carp last edited by

hello,
opera 20.0.1387.2 on windows 8.1.
after installing some extensions, i've noticed their popups are empty.
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(in case the image doesn't appear, this is the link: http://imgur.com/1f3XBJC)

any help regarding this annoyance will be appreciated.

[olli]

olli last edited by

This is a known issue in the dev builds