Tom Lane wrote:
Also, there are a whole lot more considerations in a backpatch decision than just "is it a bug". The (estimated) risk of creating new bugs and the extent to which the patch will change behavior that apps might be relying on are two big reasons why we might choose not to back-patch a bug fix.
Right. And even if it is a bug the question might be "what sort of bug is it?" We might well be prepared to take some risks with code stability to plug security or data corruption bugs, a lot more than we would for other sorts of bugs. Even if this were considered a bug instead of a limitation, it doesn't come into the class of things we should be rushing to fix in the stable branches, unless the fix is fairly obvious and of limited impact, which is clearly not the case.
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