Release – MAB Version 4.2.1

Release date: 23 March 2026
Status: Live in production
Audience: All MyAdbooker users

TL;DR (highlights)

Deals API enhancement — new “at” field added to indicate auction type

Improved player search — clearer filters for name and technical identifiers 

Campaign filtering enhancement — filter campaigns by Deal Name or ID

Deals list usability improvement — Description column added

Platform stability improvements and bug fixes across specific services, SSP, UI, and Open Market

No downtime and no client action required

1) What’s New

No new features are included in this release.

2) Improvements

Deals API – Auction Type (at)

Where: Deals API

What changed:

• A new field “at” has been added to the Deals API responses
• The field indicates the auction type configured on the deal
• Available in both:
  • List deals (GET /v1/deals)
  • Single deal lookup (GET /v1/deals/{deal-id})

Why it matters:

• Provides DSPs with clearer visibility into deal auction logic
• Improves transparency and consistency in deal integrations

Player Search Filters – Improved Accuracy

Where: Manage Players

What changed:

• The main search field now searches Player Name only
• A new filter has been added to search by:
  • Player ID
  • External Player ID
  • MAC Address
• Both filters can be used together for more precise results

Why it matters:

• Improves search clarity and reduces ambiguity
• Enables faster and more efficient player lookup for operational workflows

Campaigns View – Deal Filter

Where: Campaigns List View

What changed:

• A new filter allows users to search campaigns by:
  • Deal Name
  • Deal ID
• Returns campaigns that contain line items associated with the selected deal

Why it matters:

• Makes it easier to identify campaigns linked to specific deals
• Improves campaign management and visibility

Deals List View – Description Column

Where: Deals List Page

What changed:

• A new “Description” column has been added
• Displays the description of each deal directly in the list view
• Long descriptions are truncated, with full text available on hover

Why it matters:

• Improves deal discoverability and usability
• Reduces the need to open individual deals for additional context

Deals – Seat ID Information Message

Where: Deal Create & Edit Page

What changed:

• An informational message is now displayed under the Seat ID field:
  "If you don't fill out the Seat ID, the deal will be open for all Seats."

Why it matters:

• Clarifies system behavior for Seat ID configuration
• Helps prevent misconfiguration of deals

Platform Stability Improvements

What changed:

• Improvements to occupancy handling to ensure expected delivery behavior
• Enhancements to deal auction handling logic

Why it matters:

• Ensures more consistent campaign delivery
• Improves overall platform reliability

3) Bug Fixes

Stability Improvements

Fix:

• Various fixes and optimizations to improve better performance and reliability of our services

UI – General Bug Fixes

Fix:

• Multiple UI issues resolved across the platform

Open Market – Fixes

Fix:

• Improvements to Open Market behavior and stability

4) Impact & Risk Statement

• No downtime occurred during deployment
• No client action is required
• Existing campaigns, deals, and integrations remain unaffected

5) FAQs

Q: Do I need to take any action for this release?
A: No. This release does not require any client action.

Q: Was there any downtime during deployment?
A: No. Version 4.2.1 was deployed without downtime.

Q: What is the new “at” field in the Deals API?
A: It indicates the auction type of a deal (e.g., first price, second price, fixed price).

Q: Can I still use the player search as before?
A: Yes. The functionality remains the same, but with improved clarity and additional filtering options.

Q: How does the new campaign Deal filter work?
A: It allows you to find campaigns that have line items associated with a specific Deal Name or ID.

Q: What happens if Seat ID is left empty on a deal?
A: The deal will be available to all seats.