Marketplace Builder On-Premises 
B2B Marketplace 
Marketplace Builder Cloud 
Custom Marketplace 
Online Store Builder 
Multi-Vendor Marketplace Platform 
Managed Hosting 
Mobile App 
Add-ons 
Themes 
Apparel & Shoes 
Grocery & Food 
Health & Beauty 
Electronics Marketplace 
Home & Garden 
Digital Products 
More Cases 
Try Marketplace Builder Demo 
Try Store Builder Demo 
Marketplace Builder Features 
Online Store Builder Features 
Product updates 
Marketplace Builder On-Premises 
Marketplace Builder Cloud 
Store Builder On-Premises 
Extended Support 
Update subscriptions 
Cloud Hosting 
Find CS-Cart Partner 
App Market Developers 
Become CS-Cart Partner 
Customer Helpdesk 
Documentation 
Video Tutorials 
App Market 
News 
Blog 
CS-Cart's Academy 
Community Forums 
Niches to Watch in 2025 
Collapsible Admin Menu, PWA App, llms.txt, and PayPal Multiparty Expansion
CS-Cart 4.20.1 improves everyday work in the admin panel, adds a new Progressive Web App option, introduces llms.txt support for AI-driven discovery, and expands PayPal Multiparty vendor availability in Multi-Vendor. The release also includes safeguards against accidental feature loss and multiple quality, security, and UX improvements.
Whats New in CS-Cart 4.20?
01
Collapsible Admin Side Menu (Better for Small Screens)
More Workspace, Same Tools: Collapse the admin menu into a slim left bar to free up space when working on smaller screens or with multiple admin windows open side by side. The menu becomes dropdown-based, so you can still access any section instantly.
Smarter UI for Narrow Windows: Improved behavior across key admin pages (Products, Orders, etc.) so you can resize the window further before lists switch to the mobile layout. The right sidebar is now more compact and can auto-collapse to keep the workspace clean.
Work comfortably in the admin panel—even on smaller screens and in multi-window setups.
02
Protection From Accidental Feature Deletion
Fewer Costly Mistakes in Catalog Management: CS‑Cart lets you assign features and feature groups to categories, which keeps product creation structured and relevant. But changes to categories or feature assignments could unintentionally remove features from existing products.
Clear Warnings Before Anything Disappears: In 4.20.1, CS-Cart warns you in advance if an action may cause product features to be removed—and explains what to do next.
Protect your product data from accidental loss during routine catalog updates.
03
Progressive Web App (PWA): A New Mobile App Option
Launch Faster Than a Native App: PWA gives customers an app-like storefront experience without any hassle. Once enabled, shoppers can install your store directly from their browser.
Works With Your Theme and Add-ons: A PWA behaves like a lightweight app wrapper around your storefront—so most design and feature changes on the site automatically apply in the app experience too.
Availability: Store Builder Ulitmate (or higher), Multi-Vendor Plus (or higher).
Offer an installable, app-like shopping experience without the complexity of traditional app releases.
04
llms.txt Support for AI Search Readiness
Help AI Understand Your Website: llms.txt is a simple text file that can highlight key content for AI tools and assistants that browse and summarize websites.
Built-In Editing in Admin Panel: You can still add llms.txt manually to your site root, but 4.20.1 lets you manage it directly in the admin panel: Website → SEO → llms.txt
Multi-Storefront Advantage: For multi-storefront setups, you can configure different llms.txt content per storefront—useful when each storefront targets a separate audience or market.
Availability: Store Builder Ulitmate (or higher), Multi-Vendor Plus (or higher).
Make it easier for AI tools to discover and prioritize your most important pages.
05
PayPal Complete Payments (Multiparty): More Vendor Countries (Multi-Vendor)
One Checkout for Multi-Vendor Orders: PayPal Multiparty lets customers pay once for a mixed cart, while the marketplace automatically splits funds between vendors and collects commission.
Expanded Vendor Onboarding Geography: CS-Cart Multi-Vendor 4.20.1 significantly increases the number of countries where vendors can connect their PayPal accounts—helping international marketplaces onboard more sellers.
Onboard more vendors globally and keep payouts and commissions automated.
06
Platform and Security Improvements
Image Upload Limits by Resolution: In addition to file size limits, CS-Cart now supports limiting maximum image dimensions (default: 6000×6000 px) to reduce server load during image processing and thumbnail generation.
TinyMCE Updated: We updated the TinyMCE visual editor to keep the platform stable and secure, as third-party components require regular maintenance.
Keep your store safer, lighter on infrastructure, and easier to maintain.
A more polished storefront and a more comfortable admin experience—without changing how you work.
Contact our support team if you need help upgrading or configuring new features.