Changelog

All notable changes to the Booking Management platform are documented here. Releases follow Semantic Versioning.

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v5.1.0 — Wave 5.1 Current

Released: February 2026

Highlights

Visual email editor enhancements, real-time notification optimization, Terms & Conditions / Privacy Policy pages, and documentation improvements.

Features

Area	Change
Email Visual Editor	Italic, underline, line-height formatting controls added to Typography section
Email Visual Editor	Image upload from local (base64) and URL input for <img> elements
Email Visual Editor	Granular border controls — border width, style (solid/dashed/dotted/double), color, radius
Email Visual Editor	Context-aware properties panel — hides text content for non-text elements (img, hr, div)
Email Visual Editor	Link URL editing for <a> elements
Email Visual Editor	Preview mode now renders per-section with correct body padding
Email Visual Editor	HTML tag badge removed from properties header for cleaner UX
Email Visual Editor	Removed Header Color field from template config panel (handled by visual editor instead)
Email Visual Editor	Removed unused headerColor, headerText, footerText props from editor component
Notifications	Replaced 30-second polling with Socket.IO real-time event invalidation
Notifications	Added notification events to EVENT_TO_QUERY_KEYS for centralized cache invalidation
Legal Pages	Added Terms & Conditions page (/terms) — public, no auth required
Legal Pages	Added Privacy Policy page (/privacy) — public, no auth required
Documentation	Email Templates guide updated with full Visual Editor documentation
Documentation	New Notifications guide page with architecture diagram and Socket.IO event reference
Documentation	Notification API docs updated with real-time Socket.IO events section
Documentation	Fixed Mermaid diagram rendering — installed vitepress-plugin-mermaid

Technical Changes

Area	Detail
ElementStyles	Added fontStyle, textDecoration, lineHeight, borderColor, borderWidth, borderStyle
SelectedElement	Added optional imgSrc and href attributes
updateSectionElement	Supports attributes parameter for non-style changes (e.g., src, href)
SocketProvider	EVENT_TO_QUERY_KEYS now includes all 4 notification events
useUnreadCount	Removed refetchInterval: 30000 — uses refetchOnWindowFocus as safety net

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v5.0.0 — Wave 5 Previous

Released: February 2026

Highlights

Custom email templates, dashboard analytics, complete route restructuring, and full documentation coverage.

Features

Area	Change
Email Templates	Custom Email Template Editor with syntax — supports 7 template types
Dashboard Analytics	KPI cards, Revenue chart, Occupancy heatmap, Outstanding payments, Expense vs Revenue, Room calendar
Route Restructuring	Comprehensive RESTful route restructuring — all routes now follow /:orgId/action pattern
Documentation	JSDoc documentation on all 39 backend controllers
Documentation	Full VitePress documentation site (A–Z API reference)
RBAC	email_templates module added (19 RBAC modules total)

Email Template Types

Template	Variables Available
Booking Confirmation	, , ,
Invoice	, ,
Payment Receipt	, ,
Quote	, ,
Credit Note	, ,
Welcome	,
Password Reset	,

Dashboard Widgets

┌──────────────┬──────────────┬──────────────┬──────────────┐
│  Total Rev   │  Occupancy   │  Bookings    │  Outstanding │
│  ₹12.4L      │  78%         │  142         │  ₹2.1L       │
├──────────────┴──────────────┼──────────────┴──────────────┤
│     Revenue Chart (30d)     │   Expense vs Revenue (30d)  │
│     ███████████▓▓▓▓▓▓       │   █ Revenue  ░ Expense      │
├─────────────────────────────┼─────────────────────────────┤
│   Occupancy Heatmap (7×24)  │       Room Calendar         │
│   ▓▓▓░░▓▓▓▓░░▓▓▓▓▓▓▓       │   [====]  [==]   [=====]   │
└─────────────────────────────┴─────────────────────────────┘

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v4.0.0 — Wave 4

Released: December 2025

Features

Area	Change
Notifications	Per-user read tracking via readBy[] array (replaces global isRead flag)
RBAC	notifications module added to role-based access control
Meta Timestamps	Standardized createdAt, createdAtTs, updatedAt, updatedAtTs on all documents
Firestore	Firestore transactions on all notification operations for data consistency

Bug Fixes

Issue	Fix
Invite link marked "already used" prematurely	Fixed token validation logic to properly check usedAt field
Registration endpoint accessible	Removed public registration — platform is now invite-only

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v3.0.0 — Wave 3

Released: September 2025

Features

Area	Change
Redis Caching	Redis caching layer via Upstash Redis
Cache Strategy	Cache invalidation on writes — stale-while-revalidate pattern
Advanced Caching	Route-level caching with configurable TTLs
Performance	Optimized MongoDB queries with projection and lean()

Performance Improvements

Metric	Before	After	Improvement
Avg. response time	320ms	85ms	73% faster
DB queries / request	4.2	1.8	57% fewer
Cache hit rate	—	89%	—

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v2.0.0 — Wave 2

Released: June 2025

Features

Area	Change
Google Sheets	Google Sheets integration via Apps Script for live data sync
Gmail	Gmail OAuth2 integration — send invoices directly via Gmail
PDF Generation	Puppeteer-based PDF invoice generation (server-side)
Azure Blob	Azure Blob Storage for temporary file storage (PDFs, exports)
Audit Logging	Comprehensive audit logging system — tracks every CRUD action
API Analytics	API analytics tracking middleware (request counts, response times, errors)
Support Tickets	Support ticket system with threaded replies

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v1.0.0 — Initial Release

Released: March 2025

Core Platform

Area	Description
Multi-Org	Multi-organization support with isolated data per org
Bookings	Booking management with room assignment, check-in/check-out tracking
Guests	Guest management with contact details, ID documents, and history
Invoices	Invoice CRUD with line items, taxes, and auto-numbering
Payments	Payment recording against invoices
Expenses	Expense tracking with category and vendor support
Quotes	Quote / proforma invoice generation
Credit Notes	Credit note issuance with invoice linkage
Chart of Accounts	Double-entry bookkeeping — chart of accounts with account types
Tax Management	Tax configuration with GST support (CGST, SGST, IGST)
Rooms	Room & room category management with availability tracking
Users	User management with invite-only onboarding
RBAC	Role-based access control with customizable roles and per-module permissions
Notifications	Real-time notifications via Socket.IO
Authentication	PASETO V4 token-based authentication
Series	Auto-numbering / series system for invoices, quotes, credit notes, etc.

Tech Stack

Layer	Technology
Backend	Node.js, Express.js
Database	MongoDB with Mongoose ODM
Auth	PASETO V4 (public-key tokens)
Real-time	Socket.IO
Frontend	Next.js 15, React 19, Tailwind CSS
UI Library	shadcn/ui