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

# Jan 12 2026

> JSON request body comments, composite variables support, and a fix for incorrect active tab naming in Requestly.

## What's Changed

<img width="1200" height="675" alt="changelog-12-jan" src="https://github.com/user-attachments/assets/39cefad2-2e4f-4a74-84d7-561768eea164" />

### 🚀 New

* Added comments support in Request Body ( JSON ) in API Client. [#4110](https://github.com/requestly/requestly/pull/4110)
* Added support for [composite variables](https://docs.requestly.com/api-client/environments-and-variables/using-variables-in-api-requests#composite-variables) for more flexible variable composition. [#4060](https://github.com/requestly/requestly/pull/4060)

### 🐛 Fixes

* Fixed an issue where the active tab name incorrectly changed to “History.” [#4100](https://github.com/requestly/requestly/pull/4100)

Full Changelog\
[https://github.com/requestly/requestly/compare/changelog-2025.12.29...changelog-2026.01.12](https://github.com/requestly/requestly/compare/changelog-2025.12.29...changelog-2026.01.12)