This .odp shows the flickering
test_presentation.odp (application/vnd.oasis.opendocument.presentation), 15.98 KB, created by spam66 on 2018-12-03 21:28:24 UTC
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Creator: spam66
Created: 2018-12-03 21:28:24 UTC
Size: 15.98 KB

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Attachments on bug 121889: 147253 | 147254