- ['<code>lock</code>', 'obsolete <code>Thread</code> implementation, including a keyword to place advisory locks on shared variables', {experimental => 0, stable => 0, removed => v5.10}],
+ ['<code>lock</code>', 'obsolete <code>Thread</code> implementation, including a keyword to place advisory locks on shared variables', {experimental => 0, stable => 0, dropped => v5.10}],
['<code>B::…</code>', 'backend hooks'],
['<code>qr//</code>' => 'overhauled regular expression engine: precompile operator, lookahead/behind, code, conditions, localised flags'],
['<code>… foreach</code>' => '<code>for(each)</code> as statement modifier, with large ranges optimised as counting loops'],
['<code>B::…</code>', 'backend hooks'],
['<code>qr//</code>' => 'overhauled regular expression engine: precompile operator, lookahead/behind, code, conditions, localised flags'],
['<code>… foreach</code>' => '<code>for(each)</code> as statement modifier, with large ranges optimised as counting loops'],