[Gameplay] Cooldown Not Applied on Spells Cast As I Respawn

Shows up in the video at around 2:40 with Trueshot Barrage, happens with Arcane Shift as well, and with Make It Rain on MF in another video in the vods section.

If Miss Fortune’s Make It Rain and Ezreal’s Trueshot Barrage and Arcane Shift (may not be limited to them; haven’t had time to test) are used immediately as they respawn from death, occasionally cooldown reduction is not applied to the ability cast. The cooldown reduction stat displays correctly during the respawn. This was on live, with quickcast enabled.

I could not achieve the same results with Fiora’s Riposte and Lunge, although I did use different items (Forbidden Idol, Kindlegem) that were not just recently released. But a Kindlegem with Miss Fortune produced the same results; it would report 12.6 second cooldown then count down from 14. With Ezreal, I was full build with Trinity Force, Essence Reaver, Infinity Edge (due to ER passive) as my sources of cooldown reduction.

If I wait a second or two then cooldown reduction applies as normal. I do not make any purchases or refunds during the death timer.

Yep, just skilled up Make It Rain: 11.7 second cooldown, started counting down from 13. I haven’t been able to replicate it 100%, but maybe around 40% of the time. Biggest offender was Trueshot Barrage suddenly going on a 75 second cooldown even though it reported 48, after reaching full build many minutes before.

I believe that this bug has potential to completely turn the tide of a match; if an ability is used immediately as a player respawns, the ability may not be off cooldown as intended when needed a few seconds later. You can see how this may dramatically affect the next major teamfight or skirmish, especially one so close to the nexus.