sprintf('%.1f%%', sum(@{ $canihas->{$browser} }{ @{$span} }) * $usagepct),
'version ' . showversions(@{$span}, undef),
(map {
- $_ ? () : '(development)'
+ $_ ? sprintf('(released %d)', $_/3600/24/365.25 + 1970) : '(development)'
} $caniuse->{agents}->{$browser}->{version_list}->{$lastver}->{release_date}),
),
!defined $lastver && ' class="ex"',