Version 5.5.0 (Splatoon 2)

Version 5.5.0 is an update for that was released on 2021-09-29 at July 27, 2024. It was announced on social media on 2021-09-24.

Balance changes
"* We observed changes after distribution of Ver and made additional adjustments to slightly lower the fighting power of certain weapons that could hold the battle line from further away.
 * Also, we made adjustments to narrow the margins by which certain weapons were strengthened in Ver 5.4.0 while also lowering the frequency at which special weapons can be triggered. At the same time, we expanded weapon choice by increasing the abilities of certain weapons that excel at closer ranges.
 * In addition, we reviewed some of the weapons that previously had their capabilities lowered, and as a result we slightly reverted some of the lowered values and made some adjustments to points required for special weapons.
 * We will observe the changes after this update and make further adjustments to in the future."

- Nintendo

Main weapons
Specifications for some of the main weapons have been changed.

Special gauge
Points required for using specials have been changed for certain main weapons.

Multiplayer

 * Fixed an issue in Inkblot Art Academy in which it was possible to enter the opposing team’s base by jumping over certain walls in Turf War, Splat Zones, and Rainmaker.
 * Fixed an issue in Skipper Pavilion in which it was possible to enter the opposing team’s base by transferring between certain grates.

Trivia

 * Similarly to previous versions, the English translation of the patch notes lists the update as releasing on 2021-09-24, which was instead when it was announced.