Does anyone know which patch Sona was last nerfed in?

These are the recent patches she's been nerfed in:

• 4.13
• 4.16 (secret: -100 range on Hymn of Valor's bolts) *reverted
• 4.20
• 5.1

http://img.photobucket.com/albums/v636/pika310/LoL%20Meme%2050_zps36qwvogt.jpg

#BetterNerfSona....again.

http://24.media.tumblr.com/tumblr_l9h4g25Tg81qaqps8o1_500.jpg "Hey, Squid, I found all of the future Season 5 patch notes!" -"Oh? Let me see..." "And guess what? All the notes about nerfing Sona are listed in red!" -"..but everything's in re-" "YEAH, I KNOW!"

She was nerfed in 5.1. That's the most recent patch.

Er. 5.1?

She had her move speed and q's power chord damage amplification reduced slightly this patch.

If you mean before the latest: 4.20 (November 20th).

You can find all of her changes over time if you scroll down to the bottom of here.

I'm more inclined to simply give the absolute numbers or number relative to other champions and allow people to make their own judgements about how big of a deal it is.

You're welcome to compare her to Nami, although I'm pretty sure she's 15 MS slower than Nami now rather than 10.