I have been using 1password for several years and it's really awesome.
But the only major trouble using it is the matching in browser.
For example, when I am logging in to a.xxx.com,b.xxx.com/c.xxx.com...are all shown,I have to manually choose which site.Maybe in some cases their user infos are shared,but I do have some situations that a.xxx.com and b.xxx.com use different user infos.
Besides,I wish ports can also be considered:for example,a.xxx.com:80 and a.xxx.com:81.
My suggestion is to let user set their own preferences on how precisely 1password match sub-domains and ports.
Hope 1password gets better and better!
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