# Announcements
source: https://developer.mastercard.com/mastercard-processing-dispute/documentation/announcements/index.md

In this section, you can find information about upcoming changes that are planned for Mastercard Processing Dispute APIs.

| Announcement Date | Open API Spec Version | Release Date |                                                                                                                                                     Description                                                                                                                                                      |
|-------------------|-----------------------|--------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                   |                       |              |                                                                                                                                                                                                                                                                                                                      |
| 22 April 2026     | v1.1.2                | Q3 2026      | • We are introducing an API rate limit of 5 requests per second per client to: o Enhance platform resilience o Ensure fair and consistent usage across all clients • We are increasing the maximum file size for attachments uploaded through the `addAttachmentToDisputeCase` API from approximately 0.5 MB to 5 MB |

Check back regularly to stay informed so that you can plan for any future changes to the APIs.

See [Release History](https://developer.mastercard.com/mastercard-processing-dispute/documentation/release-history/index.md) for details about the latest changes to the APIs.
