I can reproduce the issue on Nightly135.0a1 Windows11. No border appears for the checked radio button. Regression window: https://hg.mozilla.org/integration/autoland/pushloghtml?fromchange=0df79cc60ea0ef86258f3b33d533c75e91805d8b&tochange=16a3de29e4e69175f5a7c914ffa9de63b8683f2a Regressed by: Bug 1685926 Insert a form element encompassing the radio button elements and it will be rendered as expected.
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I can reproduce the issue on Nightly135.0a1 Windows11. No border appears for the checked radio button. Regression window: https://hg.mozilla.org/integration/autoland/pushloghtml?fromchange=0df79cc60ea0ef86258f3b33d533c75e91805d8b&tochange=16a3de29e4e69175f5a7c914ffa9de63b8683f2a Regressed by: Bug 1685926 If Insert a form element encompassing the radio button elements and it will be rendered as expected.