This pref was taken out since we wanted offline support to be visible by default and it was enough to have the pref in the properties dialog, but we have found out that its probably not a bad idea to keep offline invisible by default and tell users how to enable it. It is way to experimental to be default-on.
I am not sure really if we want this, because it keeps off users from testing the feature. I agree that it's doubtful to switch it on since mostly only users with *big* calendars are waiting for this feature (in hope that it will speed up their calendars)... and unless the (local) cache calendar is slower than the networked (uncached) one, this is absurd. Disregarding the slow initial sync, the feature works quite well for me on small to medium sized calendars. WCAP in particular has another problem, i.e. bug 412606; that bug disables WCAP to distinguish invitations from owned items. Assuming it won't be fixed for the release, (at least) WCAP should be switched off.
Checking in WCAP fix until the bugs specified in the "blocks" field are fixed. We decided to leave offline support initially on. Checked in on HEAD and MOZILLA_1_8_BRANCH -> FIXED
Checked in nightly build 2008011718 -> task is fixed and verified.
Status: RESOLVED → VERIFIED
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