Merge remote-tracking branch 'origin/dev' into dev

aijinhui

2024-04-15 dae6e068207ad1bff32dafd8c71f12d8a2a59aa2

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var userAgent = require('../internals/engine-user-agent');
 
var firefox = userAgent.match(/firefox\/(\d+)/i);
 
module.exports = !!firefox && +firefox[1];