id,summary,reporter,owner,description,type,status,priority,milestone,component,version,severity,resolution,keywords,cc,focuses 34407,esc_url() cannot handle a relative URL containing a : character (IPv6),dd32,,"Split off from #34202 / #34054 When using a relative URL with `esc_url()` nothing will be returned if the string contains a `:` character, for example, one which occurs within an IPv6 address. This will output nothing: {{{#!php