(Updated) Teams Discover feed Service migration

Message Center ID: MC1120270
Microsoft Teams
Plan for Change
User impact Admin impact
June 2025 August 2025

Summary

The Teams Discover Feed backend is migrating from People Prediction Service to Substrate Search Service Recommendations starting June 18, 2025, with PPS deprecated by August 2025. There is no user impact, but devices must run specified minimum client versions to ensure compatibility. No compliance issues noted.

Details

Updated August 5, 2025: We have updated the content. Thank you for your patience.

We're updating the backend service that powers the Teams Discover Feed. In mid-June 2025, the Discover Feed began transitioning from the People Prediction Service (PPS) to the Substrate Search Service Recommendations (3SR). This change is part of a broader infrastructure evolution to improve scalability and service integration.

When this will happen

This change began rolling out on June 18, 2025. The legacy PPS service will be deprecated starting August 2025.

How this affects your organization

There is no visible impact to end users or administrators. While the experience remains unchanged, this backend service transition ensures continued support and performance improvements.

What you can do to prepare

To ensure compatibility with the updated service, users must be on the following minimum client versions:

  • Windows Desktop: March 04 version i.e : 25031.805.3440.529
  • iOS: Version 7.03.02 (100772025033501)
  • Android: Version 1416/1.0.0.2025032402

We recommend validating that your organization’s devices meet these version requirements before August 2025.

Compliance considerations

No compliance considerations identified, review as appropriate for your organization.

Change History

August 5, 2025 at 4:30 PM Updated
Title
Previous
Teams Discover feed Service migration
New
(Updated) Teams Discover feed Service migration
Summary
Previous
The Teams Discover Feed backend is migrating from People Prediction Service to Substrate Search Service Recommendations starting June 18, 2025, with PPS deprecated by August 2025. No user impact is expected. Ensure client versions meet minimum requirements on Windows, iOS, and Android before August.
New
The Teams Discover Feed backend is migrating from People Prediction Service to Substrate Search Service Recommendations starting June 18, 2025, with PPS deprecated by August 2025. There is no user impact, but devices must run specified minimum client versions to ensure compatibility. No compliance issues noted.
Last Updated Date
Previous
2025-07-23T03:44:17.420Z
New
2025-08-05T14:46:05.260Z
Tags
Previous
User impact,Admin impact
New
Updated message,User impact,Admin impact
Body Content
Previous

We're updating the backend service that powers the Teams Discover Feed. In mid-June 2025, the Discover Feed began transitioning from the People Prediction Service (PPS) to the Substrate Search Service Recommendations (3SR). This change is part of a broader infrastructure evolution to improve scalability and service integration.

When this will happen

This change began rolling out on June 18, 2025. The legacy PPS service will be deprecated starting August 2025.

How this affects your organization

There is no visible impact to end users or administrators. While the experience remains unchanged, this backend service transition ensures continued support and performance improvements.

What you can do to prepare

To ensure compatibility with the updated service, users must be on the following minimum client versions:

  • Windows Desktop: Version 25020512900
  • iOS: Version 2025031301
  • Android: Version 2025031302

We recommend validating that your organization’s devices meet these version requirements before August 2025.

Compliance considerations

No compliance considerations identified, review as appropriate for your organization.

New

Updated August 5, 2025: We have updated the content. Thank you for your patience.

We're updating the backend service that powers the Teams Discover Feed. In mid-June 2025, the Discover Feed began transitioning from the People Prediction Service (PPS) to the Substrate Search Service Recommendations (3SR). This change is part of a broader infrastructure evolution to improve scalability and service integration.

When this will happen

This change began rolling out on June 18, 2025. The legacy PPS service will be deprecated starting August 2025.

How this affects your organization

There is no visible impact to end users or administrators. While the experience remains unchanged, this backend service transition ensures continued support and performance improvements.

What you can do to prepare

To ensure compatibility with the updated service, users must be on the following minimum client versions:

  • Windows Desktop: March 04 version i.e : 25031.805.3440.529
  • iOS: Version 7.03.02 (100772025033501)
  • Android: Version 1416/1.0.0.2025032402

We recommend validating that your organization’s devices meet these version requirements before August 2025.

Compliance considerations

No compliance considerations identified, review as appropriate for your organization.

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