Alright, here are a few more issues, as promised. I don't have time to go filing bug reports for each of these (and there are more too, but I need to clarify them before posting). So, do with this what you will, but they're all reproduce-able problems on my install.
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Adding a tag on the frontend, or when editing images, the CaSe is not preserved and the tag is saved as lowercase.
Renaming tags preserves CaSe.
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Editing News date: can't add the time, field is uneditable except by clicking a date on the little calendar applet.
After saving the post, the time is set as 00:00:00 - and can then be edited.
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Gallery Stats do not work. I started with about 8 albums, now have about 12 including a couple dynamic ones, and the stats have reported only one album the entire time.
Refreshing metadata or database has no effect.
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Duplicate images are a real problem. For example, if you unwittingly move an image between categories, where that filename already exists, it will throw an "image already exists" error but keep both database entries. Then if you delete either one, it deletes both records plus the only copy remaining copy of the image file!