I have opened a merge request to update the gallery app to version 0.4
This implements the gallery addon for the conversation modules (network, channel, pubstream, etc)
Images in a post or comment larger than 300px width and height can be opened in the gallery on click.
I have spent much time over how to deal with linked images. Eventually i decided to also open those in the gallery on click and provide the link from inside the gallery.
Here are the merge requests: https://framagit.org/hubzilla/core/merge_requests/1459 https://framagit.org/hubzilla/addons/merge_requests/178
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