> 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/v90-grouped-periodically.md).

# v90 — Grouped periodically

<div align="left"><figure><img src="/files/ZQxVNtLaGHrsrDRsTAdJ" alt="" width="285"><figcaption></figcaption></figure></div>

## Features

* Generic and fully nested [grouping](/app-builder/build-frontend/widgets/dynamic-group.md) of widgets
* High-level [data binding to groups](/app-builder/build-frontend/widgets/dynamic-group.md#data-settings-data-bindings)
* New [Card](/app-builder/build-frontend/widgets/display-widgets/card.md) widget
* Improved [Status Lamp](/app-builder/build-frontend/widgets/display-widgets/status-lamp.md) widget (added multi-state support and rectangle shape)
* Improved [Icon](/app-builder/build-frontend/text-icons-and-images.md) widget (optional backrgounds of different shapes)
* Many new properties settable at runtime across different widgets
* [Database](/app-builder/build-backend/function-explorer/storage/relational-database.md#audit-logging) audit logging
* New [Machine Simulator](/app-builder/build-backend/function-explorer/extensions/process-simulations.md#machine-simulation) extension
* First version of AI Assistant (experimental)
* First version of Subflow support (experimental)

## Fixes

* Many UI interaction improvements and performance tuning
* On-prem platform restart after power cycle
* Internal cleanup and consolidation of the widget factory


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