Kalista's winrate and P/B has officially tanked in high elo for Dia 2/Masters+ for Patch 11.17 after Wit's End nerfs (aka the reason why she cant get any buffs + pro play) :
another little buff to kalista : r/KalistaMains
Kalista Abilities, Skills and Runes | LOL - BUFF
LoL】SwainがOP化! 急げ! : LOL_2chまとめ@Shaco速報
Riot details “scaling buffs” for Lucian, Kalista, Tristana, and Vayne in today's League Patch 10.11 preview - Dot Esports
The time for a kalista buff has come with patch 11.10 : Gaming : r/KalistaMains
Black Spear | League of Legends Wiki | Fandom
Blue Maverick
Riot to implement buffs to Akali, Sylas, other assassins in League Patch 11.19 - Dot Esports
Team Liquid vs. Kingzone DragonX / MSI 2018 - Group Stage / Post-Match Discussion : r/leagueoflegends
Every tentative buff and nerf expected in TFT Patch 10.23 - Dot Esports
PSA: If you have a Kalista shard that you don't want, disenchant it now to get the maximum value of BE : r/leagueoflegends