PixelCat version history - 16 versions
PixelCat by Pistachios
Be careful with old versions! These versions are displayed for testing and reference purposes.You should always use the latest version of an add-on.
Latest version
Version 2.6.6
Released Aug 8, 2026 - 2.58 MBWorks with firefox 142.0 and laterVersion 2.6.6
New Pet
• Added the Bat — a flying new pet companion.
Bug Fixes & Improvements
- Fixed Clippy/Skeleton/Penguin changing color when switching cat skins.
- Fixed extension reload errors breaking the pet on open tabs.Source code released under MIT License
Older versions
Version 2.6.5
Released Aug 7, 2026 - 2.58 MBWorks with firefox 142.0 and laterVersion 2.6.5
New Pet
• Added Clippy, the classic pixel assistant — chat with him and turn him on from Settings.
New Features & Improvements
• New drag-hand toggle in Advanced Settings (disabled by default).
• One-time migration: updating users have the drag-hand setting reset to off once.
Bug Fixes
• Fixed companion pet flashing and disappearing when switching pets.
• Fixed companion remaining on screen after the main pet is disabled via the Active toggle.
• Fixed a bug where the pet disappeared and only reappeared after switching windows/alt-tabbing.
• Fixed multiple grab-hand animations overlapping (hands "grabbing air") when switching tabs.Source code released under MIT License
Version 2.6.4
Released Aug 5, 2026 - 1.18 MBWorks with firefox 142.0 and laterWhat's New in Version 2.6.4
New Pets & Characters: Added Penguin, Pigeon, and Frog companions alongside Cat, Fox, Red Panda, Skeleton, Fairy, and Baby Cat.
Pet Skins & Hats: Added Nightly Blue skin for Fox/Red Panda, 3 Pigeon skins (Black, White Dove, Rainbow), and equipable hats.
Settings: New settings and options.
Fixes: Bug fixes and performance improvements.Source code released under MIT License
Version 2.6.3
Released Jul 27, 2026 - 1.14 MBWorks with firefox 142.0 and laterSource code released under MIT License
Version 2.6.2
Released Jul 27, 2026 - 1.14 MBWorks with firefox 142.0 and later- Enhanced Cat Combat Mechanics: Added multi-hit spider brawls (2-3 hits max), crisp paw strike animations, and dynamic knockback physics.
- Spider Visual Effects: Added damage flash indicators and a smooth Minecraft-style death sequence with floor dust particles.
- Settings UI Update: Reorganized settings view with improved drag-and-drop options and unlocked pet scaling.
- Bug Fixes: Fixed spider death positioning and physics.
Source code released under MIT License
Version 2.6.1
Released Jul 27, 2026 - 1.14 MBWorks with firefox 142.0 and laterSource code released under MIT License
Version 2.6.0
Released Jul 26, 2026 - 1.14 MBWorks with firefox 142.0 and laterSource code released under MIT License
Version 2.5.9
Released Jul 26, 2026 - 1.13 MBWorks with firefox 142.0 and laterSource code released under MIT License
Version 2.5.8
Released Jul 26, 2026 - 1.13 MBWorks with firefox 142.0 and laterVersion 2.5.8 Update:
Added Reddit support! PixelCat can now roam around posts, comments, and sidebars on reddit.com.
Added option to disable PixelCat on Reddit in settings.
Added pet identity setup: you can now give your pet a custom name and pick an identity.
Added smooth enter and exit cursor animations when picking up or placing your pet.
Added backup import and export so you can save and restore your pet's progress, coins, and unlocks.
Added a preview card for the upcoming Pigeon pet in the pets tab.
Small UI cleanup and performance fixes.Source code released under MIT License
Version 2.5.7
Released May 11, 2026 - 593.88 KBWorks with firefox 142.0 and later- Added a new option in the settings menu to selectively disable the pet on specific websites (YouTube or Google).
Source code released under MIT License
Version 2.5.6
Released May 10, 2026 - 592.76 KBWorks with firefox 142.0 and laterv2.5.6 — Bug Fixes & Stability
• Fixed a rare issue where XP could be miscounted near the max level cap
• Fixed a bug where breaking a daily streak could grant an incorrect coin reward
• Improved XP save reliability when storage is briefly busy on startupSource code released under MIT License
Version 2.5.5
Released May 10, 2026 - 592.76 KBWorks with firefox 142.0 and laterPixelCat v2.5.5- Fixed a progress migration issue that could reset levels after updating.
- Improved XP/progress saving so recent XP is not lost when closing tabs, changing pages, or changing settings.
- Added fox companion support with alternate companion colors.
- Added fox skins: orange, white, and rainbow.
- Added Google-related daily quests.
- Daily quests now become a little more challenging over time, with safe limits.
- Fixed right-click menu positioning, auto-close behavior, and bubble-state behavior.
- Right-click menu now closes when grabbing the pet and no longer opens while the pet is trapped in a bubble.
- Added bubble collision behavior when both pets are trapped.
- Fixed Eco Mode restoring previous settings after being turned off.
- Optimized badge images to improve popup performance and reduce extension size.
- General stability, popup, companion, bubble, quest, and Google surface fixes.
Source code released under MIT License
Version 2.5.1
Released May 8, 2026 - 2.6 MBWorks with firefox 142.0 and laterPixelCat v2.5.1
What’s new:
- Added fox companion support with improved fox-specific behavior.
- Improved speech bubbles with more natural, less generic lines.
- Added Arabic, French, and Italian speech support.
- Removed topic-based speech detection from video titles.
- Improved fox fish/food interactions with smaller catch hops.
- Improved fox ball behavior using catch animation instead of repeated jumps.
- Disabled cat-only features when fox is active, including companion, skins, and mischief settings.
- Cleaned unused development/patch files from the extension package.
- General stability and behavior fixes.Source code released under MIT License
Version 2.5
Released May 8, 2026 - 2.57 MBWorks with firefox 142.0 and laterPixelCat v2.5.0
This update improves gameplay, popup controls, and stability.
What's new:
- Added Rainbow cat skin, unlocked at Level 3
- Added small info buttons in the popup
- Added more fun speech bubble reactions
- Coins now drop only while a YouTube video is playing
- Improved auto-spawn timing so objects do not overlap
- Added smoother behavior and reduced spammy reactions
Fixes:
- Fixed quests and stats not updating correctly
- Fixed petting, fish, coins, balls, and spiders not counting properly
- Fixed some animation direction issues
- Fixed some popup layout issues
Existing saved progress should remain when updating from the previous version.Source code released under MIT License
Version 2.1.0
Released May 7, 2026 - 2.61 MBWorks with firefox 142.0 and laterSource code released under MIT License
Version 2.0
Released May 4, 2026 - 2.53 MBWorks with firefox 140.0 and laterSource code released under MIT License