(In reply to Randell Jesup [:jesup] (needinfo me) from comment #56) > @masayuki - Is that change in behavior (to more closely match Chrome's behavior) within the spec? What is the risk of doing this? No, there is no definition. If we can emulate Chrome's behavior completely, the risk is not so high, but it's difficult because Chrome's mouse boundary behavior is not so clear to me.
Bug 1943411 Comment 58 Edit History
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(In reply to Randell Jesup [:jesup] (needinfo me) from comment #56) > @masayuki - Is that change in behavior (to more closely match Chrome's behavior) within the spec? What is the risk of doing this? No, there is no definition. If we can emulate Chrome's behavior completely, the risk is not so high, but it's difficult because Chrome's mouse boundary behavior is not so clear to me and feels odd to me in some cases.
(In reply to Randell Jesup [:jesup] (needinfo me) from comment #56) > @masayuki - Is that change in behavior (to more closely match Chrome's behavior) within the spec? What is the risk of doing this? No, there is no definition. If we can emulate Chrome's behavior completely, the risk is not so high, but it's difficult because Chrome's mouse boundary behavior is not so clear to me and feels odd to me in some cases. EDIT: See comment 60.