The OPCW failed to include crucial evidence in its final report on the April 2018 Douma chemical attack. A dissenting opinion produced by a member of the OPCW Fact-Finding Mission provided unambiguous contradictory data which explicitly showed that the attack was staged.
As stated in our original debunk, the leaked report is an engineering assessment produced by one former OPCW employee, not a member of the Fact-Finding Mission.
The OPCW said in a press statement that "all information was taken into account, deliberated, and weighed." The final report can be found here.
Regardless of the leaked document's authenticity, its "dissenting" conclusion: