“Far behind” is perhaps an overstatement, especially today. Things have rapidly improved in recent years, with a _lot_ of time and energy being spent on spec co

“Far behind” is perhaps an overstatement, especially today. Things have rapidly improved in recent years, with a _lot_ of time and energy being spent on spec compliance and interop (see https://wpt.fyi/interop-2024 https://wpt.fyi/interop-2024).