v3.03:

•  Monsoon:
  • Mana cost reduced to 100/150/200 from 150/225/300.

V3.02:

• Janna's basic attack should now feel more responsive.

V1.0.0.144:

•  Zephyr:
  • Ability Power ratio reduced to 0.6 from 0.8.
  • Janna will no longer sometimes retain the passive bonuses while Zephyr is on cooldown.

V1.0.0.142:

•  Zephyr:
  • Passive movement speed reduced at earlier ranks to 4/7/10/13/16% from 8/10/12/14/16%.
  • Slow duration reduced to 3 seconds from 4.
•  Monsoon: cooldown increased at earlier ranks to 150/135/120 from 120 seconds at all ranks.
• Updated tooltips.

V1.0.0.138:

•  Howling Gale: Now knocks the target further into the air the longer it is channeled (now 80 + 10 per second channeled, from a constant 100).
•  Monsoon:
  • Mana cost reduced to 150/225/300 from 200/275/350.
  • Knock back distance reduced to 875 from 1000.

V1.0.0.136:

•  Eye of the Storm: Attack damage bonus is now lost if the shield breaks.

V1.0.0.122:

• New models and textures for Janna and Tempest Janna.
• All new animations for her and her skins!

V1.0.0.120:

•  Tailwind is now deactivated while Janna is dead.

V1.0.0.112:

•  Monsoon no longer slows enemies who re-enter the storm.

V1.0.0.106:

•  Tailwind will now persist for her allies while Janna is dead.
•  Eye Of The Storm duration reduced to 5 seconds from 10.
•  Monsoon:
  • Heal per second reduced to 70/110/150 from 90/130/170.
  • Slow reduced to 30% from 40%.

V1.0.0.102:

• Voice and lines have been changed.

V1.0.0.94(b):

•  Howling Gale cooldown modified to 14/13/12/11/10 from 10 at all levels.

V1.0.0.94:

•  Howling Gale knock-up time reduced by 33%.
• Fixed a bug with  Eye Of The Storm where the particle would linger after the shield effect had been removed.

V1.0.0.87:

•  Howling Gale mana cost increased to 90/105/120/135/150 from 80/95/110/125/140.
•  Eye Of The Storm mana cost increased to 70/80/90/100/110 from 60/70/80/90/100.
• Reworded  Zephyr’s tooltip to indicate that Janna loses the passive boost while it is on cooldown.
• Fixed a bug where ranking up  Zephyr only gives the additional movement speed after Janna has refreshed the buff.

V1.0.0.86:

• Base damage increased to 49 from 46.
• Fixed a bug with  Howling Gale that was causing inconsistent damage.
• Decreased the collision width of  Howling Gale.
•  Eye Of The Storm:
  • Ability power ratio increased to 0.9 from 0.8.
  • Base shield amount decreased to 80/120/160/200/240 from 100/150/200/250/300.
  • Damage buff changed to 14/23/32/41/50 from 24/30/36/42/48.

V1.0.0.83:

•  Howling Gale no longer tosses  H-28G Evolution Turret into the air.

V1.0.0.82:

• Stats:
  • Mana per level reduced to 64 from 78.
  • Base armor increased to 9 from 7.4.
•  Howling Gale:
  • Mana cost reduced to 80/95/110/125/140 from 80/100/120/140/160.
  • Cooldown reduced to 10 from 11 at all ranks.
  • Damage per second scaling increased to 20/30/40/50/60 from 20/25/30/35/40.
•  Eye Of The Storm:
  • Mana cost reduced to 60/70/80/90/100 from 70/85/100/115/130.
  • Duration reduced to 10.5 from 12.
  • Cooldown reduced to 10.5 from 12.
  • It now grants a new attack damage buff, "Cyclone Strike" which persists through the shield breaking.
•  Zephyr active cooldown reduced to 12/11/10/9/8 from 13/12/11/10/9.
•  Monsoon now slows enemy units for 40% that re-enter the storm after being pushed out.

V1.0.0.79:

• Fixed a bug where  Eye Of The Storm was not adding Janna's correct ability power ratio.

V1.0.0.70:

•  Eye Of The Storm is now instant cast.

V1.0.0.63:

•  Monsoon:
  • Cleaned up knock back effect to hit the correct area, increased knock back distance, and made knock back more consistent.
  • Duration reduced to 4 from 6.
  • Heal per tick increased to 90/150/210 from 60/100/140.
  • Ability power ratio increased to 0.35 from 0.25.
•  Howling Gale:
  • Mana cost reduced to 80/100/120/140/160 from 110/130/150/170/190.
  • Cooldown reduced to 11 from 12.
•  Zephyr cooldown reduced to 13/12/11/10/9 from 14/13/12/11/10.

V1.0.0.52:

•  Eye Of The Storm mana cost reduced to 70/85/100/115/130 from 70/90/110/130/150.
• Adjusted the selection radius to match her size.

V0.9.25.24:

• Changed title to the Storm's Fury from the Avatar of Air.
•  Zephyr:
  • Increased cast speed.
  • Now properly labeled as a slowing spell.

V0.9.25.21:

• Stats:
  • Added Missing Hp Regen per Level.
  • Added Missing Mp Regen per Level.
• Rearranged Spell Keys.
•  Howling Gale:
  • Ability Power Ratio increased to .75 from .65.
  • Maximum Charge Duration reduced to 3 from 4.
  • Damage per second increased to 20/25/30/35/40 from 15/20/25/30/35.
  • Base Damage increased to 60/85/110/135/160 from 50/70/90/110/130.
•  Eye Of The Storm:
  • Ability Power Ratio reduced to .8 from 1.
  • Duration increased to 12 from 8.
•  Zephyr Ability Power Ratio reduced to .8 from 1.

V0.9.22.16: Added.

•  Howling Gale: Janna is able to create a small storm that grows in size with time. On release, this storm will fly towards the direction it wast cast in, dealing damage and knocking away any enemies in its path.
•  Zephyr: Janna summons an air elemental that passively increases her movement speed and enables her to pass through units. She may also activate this ability to deal damage and slow an enemy's movement speed.
•  Eye Of The Storm: Janna conjures a defensive gale that shields her target from incoming damage while increasing their physical damage.
•  Monsoon (Ultimate): Janna surrounds herself in a magical storm throwing enemies back. After the storm has settled, soothing winds heal nearby allies while the ability is active.
•  Tailwind (Innate): Janna increases the movement speed of herself and allies by 3%.