we're still working on column breakpoints, I'll let you know when it is available in Nightly. https://github.com/devtools-html/debugger.html/pull/7719
Bug 1519363 Comment 2 Edit History
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we're still working on column breakpoints, I'll let you know when it is available in Nightly. https://github.com/devtools-html/debugger.html/pull/7719 https://github.com/devtools-html/debugger.html/issues/7241