It may be appropriate to remind that Shirai competed a significantly simplified floor routine, at times even feeling like it was prepared in a rush, for his standards in the individual floor finals. Shirai's floor-routine-D-scores till then in this quad were always consistently valued 7.2 or 7.1 previously, but at these WC, it was reduced to 6.8. Although that D-score was still the highest among all finalists, the opening loss of up to 0.4 from the routine's combined total was sufficient to effectively lose the gold, but won him silver instead in 2018. Winner Dalaloyan, even with a comparably lower 6.2 routine difficulty, did outscore Shirai in execution but just by 0.034 at the end. Also, it is worth informing that Shirai always competed the same two different-family vaults—first a Yurchenko–then forward-entry Tsukahara—in each individual vault final at all but one of the FIG's 2013–2018 major events (every WC but not 2016 Summer Olympics in Rio de Janeiro, where he captured bronze after he upgraded to the Shirai 2 on vault, or 3½-twisting Yurchenko, for the backward-entry skill), competing better generally from one year to the next. Shirai had continued improving on the standings in the individual vault finals every year. In 2013–2015, Shirai placed fourth, fourth and seventh while in 2017–2018, he won the gold and bronze medals.