> For the complete documentation index, see [llms.txt](https://docs.heisenware.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.heisenware.com/release-notes/v77-more-intelligence.md).

# v77 — More intelligence

Dec 21, 2023

<div align="left"><figure><img src="https://lh7-qw.googleusercontent.com/docsz/AD_4nXdfcNVj5MARnW9Mz-s_4hi8IAhJnbMLq5D6csBh7AxAPNi3OJqi6pDXYfpvUxph23RHPRDspFNjTLAvs9uGfQ7OZlJQZ47dXsRfO2ArOaRV_DiDau_siRKvPsiEuR_0NbTKtIbzmasxIFdrWYbvFKBsLxiO?key=chRXiLUrI54Os_fCIQ1Z3w" alt=""><figcaption></figcaption></figure></div>

## Features

* Introduced an artificial intelligence agent that provides a conversational [chat](/app-builder/build-frontend/widgets/display-widgets/chat.md) interface and an initial [RAG AI](/app-builder/build-backend/functions/extensions/rag-ai.md) implementation.
* Expanded connection highlighting in the [App Builder](/app-builder/overview.md). Highlighting works in all directions across the Backend Builder and Frontend Builder. Inputs can now receive data from multiple and mixed sources.
* Animated logos on [functions](/app-builder/build-backend/functions.md) now visualize active data updates in real time.
* Added support for commenting on functions.
* Improved the user interface when working with large input objects.
* Automatically creates a [tag](/app-builder/deploy-and-maintain.md) of your App for each new deployed version.

## Fixes

* Improved snapline behavior: Snaplines now react only to visible widgets and appear during resizing. Widgets now snap to a 10px grid for easier alignment.
* Fixed screen scaling for mobile and tablet devices on [Production Apps](/production-apps/overview.md) and optimized rendering performance.
* Resolved several issues in the [OGC SensorThings API](/app-builder/build-backend/functions/extensions/ogc-sensorthings-api.md) extension.
* The App installation prompt now only appears on platforms that support Progressive Web Apps (PWAs).
* Removed the buggy undo and redo features.


---

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