URL mappings

Hi there we recently moved websites from 7.0 to 7.1 and are remapping our pages. Our Library page (Blog) previously /talks should now be /library but a crucial issue is that we manually added breadcrumbs on each page to filter by a category and the link used looks like this: https://www.afikra.com/talks?category=Conversations

I am hoping I can redirect the link to /library/category/Podcast+Interviews or /library/category/Conversations

I tried putting this formula multiple times in my URL Mapping Tool but to no avail. Any suggestions on what we can do? 

My blog page contains over 500 blogs and this issue exists for different categories other than "Conversations"

Hi @afikra See Squarespace's documentation about special characters in URLs: https://support.squarespace.com/hc/en-us/articles/205815308-URL-mappings#toc-formatting-tips

Consider keeping the URL /talks. You also might want to remove the manual process and toggle on the option that automatically display categories.