> ## Documentation Index
> Fetch the complete documentation index at: https://help.chainbook.app/llms.txt
> Use this file to discover all available pages before exploring further.

# Changelog

> Latest updates and improvements to Chainbook

# Changelog

Stay up to date with the latest changes, improvements, and fixes to Chainbook.

***

## March 2026 — v1.0 Visual Polish & Quality

### Improvements

* Comprehensive visual audit across all pages at 3 viewport sizes (1280x800, 1440x900, 1920x1080)
* Migrated all hardcoded hex colors to Tailwind theme tokens across 200+ component files
* Dashboard header updated with icon and subtitle to match page header pattern
* Contacts toolbar responsive fix: icon-only buttons below lg breakpoint
* Admin users table overflow handling for 12-column layout
* Standardized form validation with inline error messages on sign-in and sign-up
* Email verification pre-check before sign-in attempt
* Cross-page consistency improvements for card styling and filter patterns

### Fixes

* Fixed contacts toolbar wrapping at smaller viewports
* Fixed hardcoded hex colors in modals, drawers, and overlay components
* Fixed admin status badge colors for dark theme
* Removed welcome notification on signup to enable proper empty state display
* Fixed CSV export button using hardcoded hex colors

***

## February 10, 2026 — Production Release

### New

* **Marketing Website**: Full landing page with Hero, Features, Pricing, FAQ, and Use Cases sections
* **Email Verification**: New email verification flow for sign-ups
* **USDC Support**: USDC token support for Ethereum wallet imports
* **Documentation**: Help center at help.chainbook.app
* **Error Monitoring**: Sentry integration with environment detection and source map uploads

### Improvements

* Dark theme aligned with design prototype across dashboard, wallets, empty states, sidebar, and logo
* Standardized responsive padding across all private route pages
* New double-chevron logo replacing old 3D geometric design
* Renamed "Wallet" domain concept to "Asset" across the entire application
* Google Tag Manager restricted to production environment only
* Dynamic robots.txt blocks crawlers on dev/stage, allows production
* Etherscan API retry with exponential backoff for rate limits and server errors
* Branch-filtered builds (main, dev, stage only)

### Fixes

* Await SendGrid API calls to prevent silent email failures
* Reduce email resend cooldown from 5 minutes to 1 minute
* Fix invitation token expiry handling
* Filter auth errors from Sentry and return proper 401 responses
* Fetch emailVerified from database instead of cached session
* Allow logged-in users to verify email via URL click
* Fix worker crash: move dotenv and @sentry/node to production dependencies
* Fix worker import errors for deleted wallets and duplicate transactions
* Fix React version mismatch causing build failures

***

## February 3, 2026

### Improvements

* Fixed React version mismatch causing Vercel build failures
* Improved build stability and deployment reliability

### Documentation

* Launched Mintlify documentation at help.chainbook.app
* Added changelog to track product updates

***

## How to read this changelog

* **New** — Brand new features and capabilities
* **Improvements** — Enhancements to existing features
* **Fixes** — Bug fixes and resolved issues
* **Documentation** — Updates to guides and documentation
* **Security** — Security-related updates and patches