What does the Clear Cache button do?
The GW2 API can return a lot of data, especially on the inventory and bank pages if you have a lot of bags / materials in storage. This can result in it occasionally getting confused and/or stuck.
If this happens to you (or you're not seeing updates) you can try the following.
On the settings page, there is a "Clear Cache" button:
Simply click that button, and then pull-to-refresh the page you're having trouble with. That should clear up the issue.
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