Yes, the site logo changed. This is because site stylesheets are all brand-spanking new, and we have 15 new themes for you to choose from! More info here.
Policy Update - Rules changes incoming for AI content - Read Here

Tag changes for image #3376244

Display only:RemovedAddedAll
ImageTagActionTimestampUserRetained?
3376244
Size: 750x580 | Tagged: safe, artist:y122n20497166, pinkie pie, earth pony, semi-anthro, g4, clothes, female, mare, shirt, simple background, solo, white background
g42134447Added Dragonpone
Stop! This user is a staff member.
Ask them before reverting their changes.
Yes
3376244
Size: 750x580 | Tagged: safe, artist:y122n20497166, pinkie pie, earth pony, semi-anthro, g4, clothes, female, mare, shirt, simple background, solo, white background
earth pony549684Added Background Pony #BE0E Yes