---
title: "January 2026 Changelog"
description: "Theme management, Mermaid diagrams, and infrastructure improvements."
date: "2026-01-30"
ogImage: "/images/2026-changelog-og.png"
oldPath: "00-saybackend-changelog"
tags:
  - "changelog"
  - "theme-management"
  - "mermaid"
  - "infrastructure"
  - "cloudflare"
  - "astro"
  - "react"
  - "solidjs"
  - "typescript"
  - "javascript"
---

---

## Theme Management overhaul 🎨

- Refactored theme management into a centralized `ThemeManager` component and API
- Updated all components and styles to utilize the new theme system
- Replaced dynamic dark mode observation with Shiki's `fromShikiTheme` utility for better performance

## New Mermaid Diagram Component 📊

- Introduced a new React-based Mermaid component with interactive features
- Diagrams now support zoom and pan in a modal view
- Replaced the previous SolidJS implementation with React for better integration

## Infrastructure Updates 🛠️

- Added initial Wrangler configuration for Cloudflare Worker assets
- Enabled `platformProxy` in Cloudflare adapter configuration
- Updated project name to `saybackend` across all configurations
- Added `.assetsignore` file for better asset management

## Other Changes

- Removed rehype-mermaid integration and related dependencies
- Image optimization improvements via ImgBot
- PostgreSQL strict mode enabled for blog migrations