diff --git a/FU.pm b/FU.pm
index abdde9b..ffdc9bd 100644
--- a/FU.pm
+++ b/FU.pm
@@ -694,7 +694,6 @@ sub json {
     $FU::REQ->{json} ||= eval {
         FU::Util::json_parse($FU::REQ->{body}, utf8 => 1)
     } || fu->error(400, "JSON parse error: $@");
-    return $FU::REQ->{json} if !@_;
     _getfield $FU::REQ->{json}, @_;
 }
 
@@ -945,7 +944,7 @@ __END__
 
 =head1 NAME
 
-FU - Framework Ultimatum: A Lean and Efficient Zero-Dependency Web Framework.
+FU - A Lean and Efficient Zero-Dependency Web Framework.
 
 =head1 EXPERIMENTAL
 
@@ -1481,8 +1480,6 @@ Encode C<$data> as JSON (using C<json_format> in L<FU::Util>), set an
 appropriate C<Content-Type> header and send it to the client. Calls C<<
 fu->done >>.
 
-I<TODO:> Support schema-based normalization.
-
 =item fu->send_file($root, $path)
 
 If a file identified by C<"$root/$path"> exists, set that as response and call
diff --git a/FU/DebugImpl.pm b/FU/DebugImpl.pm
index da5fc47..d7f0334 100644
--- a/FU/DebugImpl.pm
+++ b/FU/DebugImpl.pm
@@ -4,7 +4,7 @@ use v5.36;
 use experimental 'for_list';
 use FU;
 use FU::XMLWriter ':html5_', 'fragment', 'xml_escape';
-use Time::HiRes 'time';
+use Time::HiRes 'time', 'clock_gettime', 'CLOCK_MONOTONIC';
 use POSIX 'strftime';
 
 sub fmtts { strftime '%Y-%m-%d %H:%M:%S UTC', gmtime shift }
@@ -15,7 +15,8 @@ sub loc_($loc) {
         br_ if $_;
         my $l = $loc->[$_];
         my $f = $_ == $#$loc ? '(main)' : $loc->[$_+1][3];
-        txt_ "$l->[1]:$l->[2] $f";
+        $f = "$l->[0]::$f" if $f !~ /^\Q$l->[0]/;
+        txt_ "$f @ $l->[1]:$l->[2]";
     }
 }
 
@@ -35,7 +36,7 @@ my @tabs = (
             tr_ sub { td_ 'Path'; td_ fu->path };
             tr_ sub { td_ 'Query'; td_ fu->query };
             tr_ sub { td_ 'Client IP'; td_ fu->ip };
-            tr_ sub { td_ 'Received'; td_ fmtts $FU::REQ->{trace_start} };
+            tr_ sub { td_ 'Received'; td_ fmtts(time - (($FU::REQ->{trace_end}||clock_gettime(CLOCK_MONOTONIC)) - $FU::REQ->{trace_start})) };
         };
         h2_ 'Headers';
         table_ sub {
diff --git a/README.md b/README.md
index 9cf7cb8..bf545b6 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
-# FU - Framework Ultimatum: A Lean and Efficient Zero-Dependency Web Framework
+# FU - A Lean and Efficient Zero-Dependency Web Framework
 
-FU is a web development framework for Perl and a collection of handy utility
-modules.
+FU (Framework Ultimatum) is a web development framework for Perl and a
+collection of handy utility modules.
 
 *Contributing:* Refer to my [contribution guidelines](https://dev.yorhel.nl/contributing).
 
@@ -23,7 +23,6 @@ Things that may or may not happen:
 
 - FU::JSON - JSON::{XS,PP,etc}-compatible wrapper around FU::Util's JSON functions? I prolly won't need this myself, but could be handy.
 - FU::DBI - DBI wrapper with a FU::Pg-like API, for easier integration into FU.
-- FU::Mailer - Simple sendmail wrapper
 
 # License