Version 2.6 isn’t just about flashy new agents and festive events — it brings some of the most meaningful quality‑of‑life improvements Zenless Zone Zero has seen yet. From a smarter way to plan builds to a powerful new sweep feature in Hollow Zero, these changes make progression smoother and less grind‑heavy. Here’s everything you need to know.
๐ What Changed in Version 2.6
Version 2.6, titled Encore for an Old Dream, launched on February 6, 2026, introducing major systems alongside new agents and events.
While much of the patch focuses on story events and new Hollow Zero content, several quality‑of‑life upgrades now significantly improve daily play:
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Training Target system
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Hollow Zero Sweep feature
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UI improvements (result skips, HDD tracking)
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Enhanced combat data and compendium navigation
These adjustments help reduce repetitive tasks and streamline long‑term progression.
๐ฏ Training Target System — Build Smarter, Not Harder
One of the most impactful QoL improvements in 2.6 is the Training Target feature, now found under Compendium > Training.
๐ What It Does
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Lets you designate a single Agent as your Training Target.
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Shows their exact upgrade material needs and locations directly in the Compendium interface.
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Lists relevant Drive Disc domains, Hollow Zero stages, and other material sources associated with that Agent.
๐ง Why It Matters
Before 2.6, players often jumped between menus and external guides trying to remember where specific materials dropped. The Training Target centralizes this, acting as an in‑game build planner that helps you focus on meaningful progression.
Instead of guessing where to farm, you can now see material sources and prioritize them directly from the Compendium — saving time and frustration.
๐งน Hollow Zero Sweep – Clear Faster, Earn Rewards Sooner
Another major quality‑of‑life addition in Version 2.6 is the Hollow Zero Sweep function, powered by a brand‑new resource called the Deep Cleaning Service Card.
๐ How Sweeping Works
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Once you’ve cleared a Hollow Zero challenge stage at least once, you can use a Deep Cleaning Service Card to instantly complete that stage and collect all rewards.
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This includes rewards from modes like Withered Domain and other weekly Hollow Zero content.
๐ช Where Cards Come From
Deep Cleaning Service Cards are obtainable from various weekly sources within the game — for example, from weekly bounty missions and the New Eridu City Fund or Battle Pass systems.
⏱ Why It’s a Big Deal
Running endgame content repeatedly was once a major time sink. With sweep cards, you can now claim rewards from cleared content instantly, saving significant playtime — especially valuable for players with full schedules or those grinding multiple modes each week.
This change turns long hours of grinding into quick check‑ins and lets you focus on more enjoyable aspects of ZZZ.
๐ Other Meaningful Quality‑of‑Life Tweaks
Beyond the headline systems, several smaller but impactful changes make daily life easier:
๐ Skip Win Animations
Combat result animations (like Victory screens) now include options to skip or speed up, trimming unnecessary downtime between plays.
๐ HDD Progress Tracking
The HDD interface — where you navigate exploration and missions — now shows a percentage completion for areas. This lets you instantly see missing commissions or uncompleted content without guesswork.
๐ Compendium Enhancements
The Training Tab now includes clearer material previews and navigation shortcuts, helping you plan upgrade routes with less fuss.
๐ Combat Data Features
A Combat Data function has been added to certain results screens (like Challenge results), helping you analyze performance and better tune Agent builds.
๐ธ New Camera Options & Decorations
Version 2.6 introduces new frames, filters, and stickers in Photo Mode, making it easier to capture cool moments.
๐ฎ What This Means for Players
๐ For New Players
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The Training Target system acts like an in‑game guide, helping you prioritize which materials to farm next and avoiding aimless grinding.
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UI improvements remove guesswork from many interface menus.
๐ For Veteran Players
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Sweep cards dramatically reduce the time investment needed to collect Hollow Zero weekly rewards and challenge clears.
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Skip animations and improved task tracking let you manage multiple game modes quickly.
๐ง Overall
The 2.6 update shifts Zenless Zone Zero away from routine grinding and toward focused progression and enjoyment. What was once a repetitive cycle is now streamlined.
๐ Final Summary
Version 2.6 of Zenless Zone Zero brought more than just new Agents and flashy events — it introduced practical upgrades that help both new and long‑time players. Features like the Training Target System and Hollow Zero Sweep Cards save time, reduce friction, and make progression more intuitive.
Whether you’re planning builds, farming drive disc materials, or clearing weekly Hollow Zero stages, these QoL improvements make getting stronger easier and more enjoyable than ever.
๐ Next recommended reads:
Pan Yinhu Guide: Builds, Team Synergy & “Culinary Jewel” Outfit in Zenless Zone Zero
Sunna & Aria Builds Guide - Detailed build breakdowns.
Meta Guide — Sunna & Aria Tier Teams - Premium tier comps and rotation strategies.

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