# SAP BTP What's New Reference

## Overview

This document tracks updates to the SAP BTP Developer's Guide organized chronologically.

## 2025 Updates

### November 2025

| Date | Update |
|------|--------|
| November 5, 2025 | New tutorials for partners developing ABAP-based applications introduce the **Music Festival Manager reference app** for scalable multitenant SaaS using RAP |
| November 3, 2025 | End-to-end observability guidance added combining SAP Cloud ALM (central) with SAP Cloud Logging (local) using OpenTelemetry |

### October 2025

| Date | Update |
|------|--------|
| October 31, 2025 | New SAP HANA Cloud content emphasizing TCO reduction best practices across ABAP, Kyma, and Cloud Foundry |
| October 30, 2025 | ABAP Cloud content enhanced with specific recommendations and hands-on materials |
| October 17, 2025 | New page for UX design and product compliance standards across all BTP environments |
| October 3, 2025 | Partner information expanded with TCO calculations for multitenant SaaS plus additional tutorials |

### September 2025

| Date | Update |
|------|--------|
| September 25, 2025 | Security information integrated throughout development phases (exploration → production) |
| September 15, 2025 | Guide restructured with new sections on runtime benefits (CF/Kyma with CAP, ABAP Cloud) |
| September 1, 2025 | Major restructuring into four main sections: technology, runtime benefits, CAP, ABAP Cloud |

### Earlier 2025

| Date | Update |
|------|--------|
| June 2, 2025 | New CI/CD chapter introducing fundamentals and SAP solutions |
| April 25, 2025 | New page for remote system connectivity approaches |
| January 3, 2025 | Partner reference application for multitenant SaaS development |

## 2024 Notable Additions

- Guide restructured to align with design-led development processes
- New missions for enterprise-grade and multitenant CAP applications
- Observability implementation guidance added
- Expanded tutorials for Cloud Foundry and Kyma runtimes

## Key Feature Introductions by Date

### Partner Development
- **November 2025**: Music Festival Manager (ABAP RAP)
- **October 2025**: TCO Calculator for SaaS
- **January 2025**: Poetry Slam Manager (CAP)

### Observability
- **November 2025**: OpenTelemetry integration
- **2024**: SAP Cloud ALM integration

### Security
- **September 2025**: Phase-integrated security guidance

### CI/CD
- **June 2025**: CI/CD fundamentals chapter

### Connectivity
- **April 2025**: Remote system connectivity guide

## Tracking Updates

**Source**: [https://github.com/SAP-docs/btp-developer-guide/blob/main/docs/what-s-new-for-sap-btp-developer-s-guide-7cf7a39.md](https://github.com/SAP-docs/btp-developer-guide/blob/main/docs/what-s-new-for-sap-btp-developer-s-guide-7cf7a39.md)

To check for new updates:
1. Visit the source documentation
2. Compare with dates listed here
3. Update this reference file accordingly