Release Notes - Version 2.6.5 (May 2026)

Tenno v2.6.5 Is Live

Tenno v2.6.5 is a major update focused on new seasonal content, smoother battles, faster downloads, and stronger long-term support for future patches. This update adds Rumble Seasons 14 and 15, reworks Fire skills, improves Hunting House bosses, upgrades Tenno to Unity 6, and rebuilds major parts of the game under the hood so balance changes, content updates, and fixes can arrive faster.

Update Highlights

• Rumble Seasons 14 and 15 with new items, badges, banners, graphics, and animations.

• Full Fire skills rework with new icons, updated visuals, and new Hunting House boss versions.

• Faster downloads through new storage infrastructure and runtime content delivery.

• Unity 6 upgrade with a newer rendering pipeline and better overall performance.

• Smoother combat timing with a rebuilt Skillbar scheduler to reduce PvP desyncs.

• Improved fair-play protection with better auto-clicker detection and extra security hardening.

Behind The Scenes: The Big One

Tenno has been rebuilt under the hood. Skills, items, tools, and many combat effects now run on a new data-driven system. For players, this means faster patches, faster balance changes, and faster content updates over time.

New And Updated Content

• Added Rumble Seasons 14 and 15 content.

• Added new Rumble items, badges, banners, graphics, and animations.

• Updated Tenno Pass Season 9 content and banners.

• Reworked Fire skills with new icons and updated visuals.

• Added new Fire Hunting House boss versions.

• Updated Fire Hunting House bosses with a new boss skill set for the Fire rotation.

• Added a custom attack animation for Tide Yoka.

• Improved Hunting House icons, banners, and presentation polish.

• Improved skill loading and reliability for non-human NPCs.

• Fixed issues with 2nd Anniversary content.

Downloads And Loading

• Moved downloads to our own storage infrastructure for faster and more reliable delivery.

• Content now downloads at runtime when needed instead of forcing a large download at startup.

• Added an optional bulk download setting for players who prefer to download content ahead of time.

• Added a download progress overlay showing what is downloading and how much is left.

• Improved loading indicators so quick server requests no longer flash unnecessary spinners.

• Compressed audio to reduce download size.

Quality Of Life

• Added resizable window support.

• Added fullscreen toggle support.

• Improved minimum and maximum sizing for windowed mode.

• Fixed equipped markers on inventory items.

• Fixed Skill Inventory display issues.

• Fixed Mission Room loading icons.

• Fixed badge loading in the Main Menu.

• Fixed notification badges across menus.

• Fixed UI character previews.

• Fixed UI animations getting stuck.

• Fixed enemy-side VFX flipping incorrectly.

• Improved audio consistency.

Combat And Gameplay

• Rebuilt Skillbar timing with a more reliable scheduler for smoother animations and fewer PvP desyncs.

• Fixed Skill and Tool timing edge cases where timers could drift.

• Improved status popups so values queue cleanly and no longer flash the previous number.

• Fixed several cases where battles could get stuck.

• Fixed combat bugs around final cutscenes resetting stages.

• Fixed Orochi Lab issues.

• Fixed Friend List issues.

• Fixed Awakened Zenith / Zenith Bleedfang weapon behavior.

• Fixed Football Head detail behavior.

• Improved battle reliability around restrictions, turns, and effect timing.

Description And Behavior Corrections

• Fixed item and skill descriptions that did not match their actual behavior.

• Fixed a weapon HP/CP recovery effect that scaled from current HP/CP instead of max HP/CP.

• Fixed a skill that should always stun but only stunned sometimes.

• Fixed a drain skill that was missing several drain effects.

• Fixed a skill multiplier that rounded incorrectly.

• Fixed multiple text issues and typos, including Spead, Advance, Acompuncute, Uneground, Srike, and KIck.

Performance And Platform

• Upgraded Tenno to Unity 6.

• Updated to a newer rendering pipeline.

• Improved overall performance.

• Improved asset loading speed.

• Improved loading speed across menus and battles.

• Added vSync support.

• Added a new splash screen.

Fair Play And Security

• Upgraded fair-play protection.

• Improved auto-clicker detection to reduce false positives while catching real abuse more reliably.

• Added extra security hardening to help keep ranked play fair.

Thank you for playing Tenno. This update is a major technical foundation for faster improvements, cleaner balance updates, and more reliable live content going forward.