If you've recently edited your artwork and it doesn't appear as intended, this could be one of two things.
1. Partial Display - The token is displaying correctly on some platforms and not others. Please note that different platforms will have different display requirements/limitations.
2. General Display - The token isn't displaying correctly on any platforms.
Ensuring Arweave link was minted on-chain
First, lets ensure the metadata was updated properly. This can be done by clicking into the instance on Studio and visiting the Arweave page where your metadata data.
Now copy the Arweave link and view the media into a new window. If the media is displaying as intended here than your work has been properly updated onchain.
Ensuring the media displays on a platform
Once you've confirmed the media was updated on-chain, now you'll need to confirm how the different platforms support metadata refreshes. Please note that some platforms will require this to be done manually. ie On Opensea, this will be done automatically but can be refreshed manually from the token page.
For a Gallery listing, you'll find it in the More Options tab: