Major Release Changelog

# Zisco ERP
V 6.2.0

A full upgrade from V 6.0.7 with a modern Tailwind CSS theme, speed optimization, new print/email workflows, finance improvements, HR letter updates, inventory tracking, and stronger upgrade compatibility.

6.0.7 → 6.2.0 Recommended Upgrade Path

## U Full Code Upgrade

- Full application codebase upgraded and modernized from V 6.0.7 to V 6.2.0.
- Improved application structure, maintainability, upgrade flow, and overall compatibility.
- Updated migration support for smoother upgrades from older 6.x installations.
- Added fallback database fields required by installations that skipped some previous update paths.

## T Tailwind CSS Theme

- Admin and client theme rebuilt with Tailwind CSS.
- Cleaner dashboard, sidebar, header, forms, tables, cards, buttons, badges, and modals.
- Improved responsive layout for desktop, tablet, and mobile screens.
- Updated sidebar icons with modern Lucide icon support.

## P Print, PDF & Email

- Improved print, PDF, and email handling across business documents.
- Updated invoice, estimate, proposal, quotation, payment, and report document layouts.
- Added/improved warning, promotion, resignation, termination, training, and contract letter outputs.
- Improved customer-facing document views and email-ready workflows.

## F Finance & Accounting

- Added bank reconciliation module.
- Added accounting periods module.
- Added journal reversal and reconciliation tracking.
- Added finance rollup summaries for faster report and dashboard loading.
- Linked transactions and transfers with journal entries for improved traceability.

## S Speed Optimization

- Major database indexing added across core modules.
- Improved invoice, payment, project, task, ticket, lead, proposal, purchase, and finance query speed.
- Improved report loading for high-data installations.
- Added safer handling for heavy finance indexes on large databases.

## H HRM Updates

- Improved promotion, warning, resignation, termination, and training letter workflows.
- Added promotion print date support.
- Added salary deduction fixed/percentage support.
- Improved HR print/PDF layout consistency.

## I Inventory & Purchase

- Added stock movement tracking and movement history.
- Added saved item ordering and active/inactive item status support.
- Added project-based purchase tracking.
- Improved purchase filtering, reporting, and lookup performance.

## C Sales & CRM

- Improved invoice, estimate, proposal, and quotation document workflows.
- Improved client portal views for sales documents.
- Improved CRM, lead, opportunity, proposal, and sales report performance.
- Improved PDF exports for sales and finance reports.

## ✓ Fixes & Stability

- Fixed missing upgrade fields for older 6.x installations.
- Fixed saved item order/status compatibility.
- Fixed salary deduction upgrade compatibility.
- Fixed finance index behavior for larger databases.
- Fixed multiple UI, print/PDF, email, and performance issues across modules.

## D Database Changes

- Added stock movement, accounting period, bank reconciliation, and finance rollup tables.
- Added new fields for saved items, purchases, journals, transactions, transfers, salary deductions, promotions, accounts, income categories, and expense categories.
- Added performance indexes across CRM, HRM, Sales, Purchase, Accounting, Project, Ticket, Finance, and Reporting modules.

Upgrade note: Backup files and database before updating, upload the V 6.2.0 package, run the database migration/update, then clear application cache after the upgrade.