V3.03:

• Attack Speed per level increased to 4% from 3.01%.

V3.01.0.1:

•  Rapid Fire:
  • Mana cost reduced to 50 from 80
•  Explosive Shot:
  • Damage increased to 110/150/190/230/270 from 110/140/170/200/230

V1.0.0.150:

•  Explosive Shot:
  • Cast range now matches her attack range (including per level increases from  Draw a Bead).
•  Rocket Jump:
  • Fixed: Rocket Jump is now more reliable when used around terrain.
•  Buster Shot:
  • Mana cost reduced to 100 from 140.

V1.0.0.143:

•  Explosive Shot:
  • Passive damage no longer activates from spell damage.
  • Tooltip now reflects the ability power ratio.

V1.0.0.141:

• Fixed a bug where  Explosive Shot's passive was not working correctly with Madred's Razors and Wriggle's Lantern.

V1.0.0.138:

• Tristana will now attempt to immediately attack champions targeted by  Explosive Shot or  Buster Shot.

V1.0.0.135:

•  Explosive Shot cast range increased to 625 from 600.

V1.0.0.130(Hotfix):

• Fixed a bug that caused Tristana's abilities to lock up.

V1.0.0.129:

• Base attack damage increased to 46.5 from 44.5
• Tristana will now automatically attack the target she casts  Explosive Shot on
•  Buster Shot
  • Knockback radius increased to 200 from 175
  • Now has an indicator around the target to show knockback radius (similar to Brand's  Conflagration

V1.0.0.120:

• Fixed a bug where  Rocket Jump cooldown reset upon kill or assist could fail if Tristana's damage output was fully absorbed by a shield.

V1.0.0.115:

•  Explosive Shot
  • Damage now applies over 5 seconds instead of 4 to 8.
  • Total damage increased to 110/140/170/200/230 up from 100/125/150/175/200.
  • Healing reduction duration is now a static 5 seconds from 3 to 8.

V1.0.0.106:

• Base movement speed reduced to 300 from 310.
•  Rocket Jump: No longer deals damage and slows if the jump is interrupted by another movement effect.

V1.0.0.100:

•  Rocket Jump:
  • Debuff now correctly states the slow amount.
  • Can no longer be cast while rooted.

V1.0.0.86:

• Updated several particles.
•  Explosive Shot: Fixed a bug that was causing an extra tick of damage on impact.

V1.0.0.83:

•  Rocket Jump can no longer be cast while immobilized.

V1.0.0.61:

•  Explosive Shot:
  • Passive compnent no longer deactivates when on cooldown.
  • Healing reduction effect increased to 65% from 50%.

V1.0.0.52:

• Auto attack missile speed increased to 2250 from 1450.
•  Rapid Fire: Mana cost reduced to 80 from 100.
•  Rocket Jump: Mana Cost reduced to 80 from 100.
•  Explosive Shot:
  • Passive explosion damage increased to 50/75/100/125/150 from 30/50/70/90/110.
  • Active component will now tick damage every second as opposed to every half second.
•  Buster Shot:
  • Mana cost reduced to 140 from 150.
  • Pushback radius increased to 175 from 150.

v0.9.25.24:

•  Explosive Shot now properly costs mana.
•  Rocket Jump now procs effects of AoE spells.
• Tristana can no longer outrange Baron Nashor

V0.9.25.21:

• • Reduced Attack Speed per Level from 3.1 to 2.8.
•  Rocket Jump cursor changed to Area of Effect Indicator.
•  Buster Shot Damage reduced from 300/450/600 to 300/400/500.

V0.9.22.16:

•  Draw a Bead Range reduced from 0-180 to 0-162.

V0.9.22.15:

• Stats:
  • Reduced Health per Level from 90 to 82.
  • Reduced Base Health from 545 to 497.
  • Reduced Attack Speed per level from 3.3 to 3.1.
•  Rocket Jump:
  • Decreased Damage from 60/120/180/240/300 to 70/115/160/205/250.
  • Increased Cooldown from 20/18/16/14/12 to 22/20/18/16/14.
  • New Effect: Cooldown is cleared on Champion kill/assist.
  • Removed AoE cursor (still aoe).
•  Buster Shot:
  • Reduced Cooldown from 90/75/60 to 60.
•  Explosive Shot (Remake):
  • Reduced passive AoE damage on kill from 50/100/150/200/250 to 30/50/70/90/110, Increased AoE from 275 to 300.
  • Added an Activate Effect: Single target DoT that reduces Regen/Healing by 50% for 4/5/6/7/8 second

V0.8.22.115:

• Stats:
  • Increased base attack range from 500 to 550 (can now get up to 730 at lvl 18 with her passive).
  • Increased Armor per level from 2.4 to 3.
  • Increased Magic Resist from 25 to 30.
•  Rocket Jump:
  • Increased Damage from 50/100/150/200/250 to 60/115/170/225/280.
  • Increased Slow duration from 2 to 2.5.

June 26, 2009 Patch:

•  Buster Shot: Ability power ratio reduced to 1.5 from 1.8.

June 19, 2009 Patch:

•  Rocket Jump: Ability power ratio reduced to 0.8 from 1.
•  Buster Shot: Ability power ratio reduced to 1.8 from 2.

June 12, 2009 Patch:

•  Detonating Shot: Ability power ratio increased to 0.8 from 0.5.
•  Buster Shot: Ability power ratio increased to 2 form 0.

June 6, 2009 Patch

•  Rocket Jump: sped up cast time to make it more responsive and easier to hit with.

May 29, 2009 Patch:

•  Detonating Shot: damage increased to 50/100/150/200/250 from 40/80/120/160/200.

May 15, 2009 Patch:

• Updated recommended items.
•  Rocket Jump: damage reduced to 50/100/150/200/250 from 60/120/180/240/300.

May 9, 2009 Patch:

•  Rocket Jump:
  • Updated tooltip to correct values (to 60% slow for 2 seconds from 30% slow for 3 seconds).
  • Cast Range reduced to 900 from 1000.

May 1, 2009 Patch: Rework

• Removed Ability:  Rending Shot.
• NEW ABILITY –  Rocket Jump: Tristana jumps to a distant location, slowing and damaging surrounding targets upon landing.
• Moved Tristana's true passive with her leveling passive. She will now gain attack range passively with her level, and she can spend points in order to deal more damage to surrounding units when she deals the killing blow.

April 25, 2009 Patch:

• Fixed an issue with  Rapid Fire which caused unnecessary lag time when casting the spell.

April 11, 2009 Patch:

•  Buster Shot: range increased to 700 from 600.
• Made  Rapid Fire instant cast.

Alpha Week 6:

•  Draw a Bead: Tooltip corrected.

Alpha Week 4:

• Range increased to 500 from 350.
•  Rending Shot: Fixed the tooltip that was not properly showing that the spell slows targets by 10/15/20/25/30%.

Alpha Week 3:

•  Rapid Fire:
  • Buff duration reduced to 7 seconds from 14.
  • Attack speed bonus increased to 40/60/80/100/120% from 25/35/45/55/65%.
  • Cooldown reduced to 20 seconds from 30.
•  Draw a Bead: No longer slows and is always on.
•  Buster Shot:
  • Damage reduced to 300/450/600 from 300/450/600.
  • Cooldown changed to 90/75/60 seconds from 100/75/50.
  • Mana cost reduced to 150 from 200.
  • Now pushed back all enemies around the target instead of just the target itself.

Alpha Week 2:

• Fixed tooltip typos for  Rapid Fire.