# Changelog

> View a chronological record of updates, enhancements, and fixes made to Unity Exchange documentation and features.

## 07-2022

* Added support for Companion Creative View events.
* Improved filtering for valid OS types.
* Fixed a bug where OM ext was not included in all VPAID ad requests.
* Removed length validation for non-video bids.

## 06-2022

* Added MRAID support for HTML end cards.
* Added OM support for MRAID playable and display ads.
* Fixed a bug with the iOS app sheet in portrait mode.

## 05-2022

* For ads shown on iOS, the DSP Report now lists numerical store IDs instead of bundle IDs.

## 03-2022

* Expanded iOS app sheet support on iOS 15.

## 07-2021

* Added support for requests from Brazil that are subject to LGPD privacy.
* Added a `regs.ext.lgpd` object.

## 04-2021

* Added support for CTA buttons for VAST video ads.
* A response with the advertiser bundle ID now shows "Install Now" and a square icon. A response without the advertiser bundle ID still says "Learn More".

## 03-2021

* Added support for Apple SKADN attribution for banner ads.

## 03-2021

* Switched to a first-price auction system.
* Changed the `at` value to `1` to indicate the change to a first-price auction.

## 01-2021

* Added support for Apple SKADN attribution for VAST/VPAID video ads, playable ads, and display ads.

## 09-2020

* Started sending `imp.ext.skadn` objects in requests for iOS 14+ devices.

## 05-2020

* Added support for the `HTMLResource` companion type in VAST requests.
* Added the `imp.video.companionad` object.

## 02-2020

* Released the DSP-facing reporting dashboard as part of the Partner Service Portal. DSP reporting helps DSPs to discover inventory opportunity, optimize bidding, and analyze performance.

## 02-2020

* Released the [Partner Portal](/grow/programmatic/unity-exchange/partner-portal.md) and [test app](/grow/programmatic/unity-exchange/partner-portal-test-app.md).

  * Use the Partner Portal to refine bid requests and test responses.
  * Use the test app to render the creative markup from your validated OpenRTB response through Unity's auction to test creative rendering and tracking URLs.

## 09-2019

### Optimization features

* Added a section on [Open Measurement](/grow/programmatic/unity-exchange/om-extensions.md) (OM).
* Updated [creative format specs](/grow/programmatic/unity-exchange/creative-format-guidelines.md) for OM with VAST.
* Removed the section on viewability data extensions, which are deprecated and are replaced by OM.

### Bid requests

* Added the following OM support fields:

  * [`source.omidpn`](/grow/programmatic/unity-exchange/om-extensions.md)
  * [`source.omidpv`](/grow/programmatic/unity-exchange/om-extensions.md)
  * [`imp.video.api`](/grow/programmatic/unity-exchange/om-extensions.md)

* Added the [`app.publisher`](/grow/programmatic/unity-exchange/bid-requests.md) field.

### Bid responses

* Added the [`bid.api`](/grow/programmatic/unity-exchange/bid-responses.md) OM support field.

### Contextual data extensions

* Added the [`bAge`](/grow/programmatic/unity-exchange/contextual-data-extensions.md) (blocked age rating) field.

## 05-2019

* Launched the Programmatic advertising documentation.