On 0.7.2, the loading stops at 50% because parsing SWZ files is not implemented. (Usually we can skip SWZ and load a fallback SWF instead, but in this case the fallback returns 404.)
On 0.7.2, the loading stops at 50% because parsing SWZ files is not implemented. (Usually we can skip SWZ and load a fallback SWF instead, but in this case the fallback returns 404.)