# Specification Release Information
source: https://developer.mastercard.com/open-banking-connect/documentation/specification-release-documentation/index.md

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### Open Banking Connect Release information {#open-banking-connect-release-information}

The following documents are provided as "hard-copy" of the information provided in Mastercard Developers. Any information is only relevant to the stated release. For the most up to date information, review the pages available on this website. YAML files are available upon request from Mastercard. The current release number is **1.46.0**.
Note: From release 1.23.1, updates are documented on this website in Markdown format. Refer to [Specification Release Notes](https://developer.mastercard.com/open-banking-connect/documentation/specification-release-notes/index.md) for the current release updates.

#### Supporting documents {#supporting-documents}

* [OB_Connect_Sandbox_DataSets_R1-45-0.xlsx](https://static.developer.mastercard.com/content/open-banking-connect/Documents/OB_Connect_Sandbox_DataSets_R1-45-0.xlsx) (73KB)
* [OB_Connect_Sandbox_DataSets_R1-44-0.xlsx](https://static.developer.mastercard.com/content/open-banking-connect/Documents/OB_Connect_Sandbox_DataSets_R1-44-0.xlsx) (70KB)
* [OB_Connect_Sandbox_DataSets_R1-32-0.xlsx](https://static.developer.mastercard.com/content/open-banking-connect/Documents/OB_Connect_Sandbox_DataSets_R1-32-0.xlsx) (71KB)
* [OB_Connect_Sandbox_DataSets_R1-29-0.xlsx](https://static.developer.mastercard.com/content/open-banking-connect/Documents/OB_Connect_Sandbox_DataSets_R1-29-0.xlsx) (70KB)
* [OB_Connect_Sandbox_DataSets_R1-28-0.xlsx](https://static.developer.mastercard.com/content/open-banking-connect/Documents/OB_Connect_Sandbox_DataSets_R1-28-0.xlsx) (70KB)
* [OB_Connect_Sandbox_DataSets_R1-27-1.xlsx](https://static.developer.mastercard.com/content/open-banking-connect/Documents/OB_Connect_Sandbox_DataSets_R1-27-1.xlsx) (70KB)
* [OB_Connect_Sandbox_DataSets_R1-27-0.xlsx](https://static.developer.mastercard.com/content/open-banking-connect/Documents/OB_Connect_Sandbox_DataSets_R1-27-0.xlsx) (69KB)
* [OB_Connect_Sandbox_DataSets_R1-26-0.xlsx](https://static.developer.mastercard.com/content/open-banking-connect/Documents/OB_Connect_Sandbox_DataSets_R1-26-0.xlsx) (69KB)
* [OB_Connect_Sandbox_DataSets_R1-25-0.xlsx](https://static.developer.mastercard.com/content/open-banking-connect/Documents/OB_Connect_Sandbox_DataSets_R1-25-0.xlsx) (66KB)
* [OB_Connect_API_Sandbox_Scenarios_1-25-0_v1-0.pdf](https://static.developer.mastercard.com/content/open-banking-connect/Documents/OB_Connect_API_Sandbox_Scenarios_1-25-0_v1-0.pdf) (2MB)
* [OB_Connect_Sandbox_DataSets_R1-24-0.xlsx](https://static.developer.mastercard.com/content/open-banking-connect/Documents/OB_Connect_Sandbox_DataSets_R1-24-0.xlsx) (60KB)
* [OB_Connect_API_Sandbox_Scenarios_1-23-1_v1-0.pdf](https://static.developer.mastercard.com/content/open-banking-connect/Documents/OB_Connect_API_Sandbox_Scenarios_1-23-1_v1-0.pdf) (2MB)
* [OB_Connect_API_Sandbox_Scenarios_1-23-0_v1-0.pdf](https://static.developer.mastercard.com/content/open-banking-connect/Documents/OB_Connect_API_Sandbox_Scenarios_1-23-0_v1-0.pdf) (2MB)
* [OB_Connect_Sandbox_DataSets_R1-23-0.xlsx](https://static.developer.mastercard.com/content/open-banking-connect/Documents/OB_Connect_Sandbox_DataSets_R1-23-0.xlsx) (59KB)
* [OB_Connect_API_Production_Release_Notes-Release_1-22-0_v1-0.pdf](https://static.developer.mastercard.com/content/open-banking-connect/Documents/OB_Connect_API_Production_Release_Notes-Release_1-22-0_v1-0.pdf) (459KB)
* [OB_Connect_API_Sandbox_Release_Notes-Release_1-22-0_v1-0.pdf](https://static.developer.mastercard.com/content/open-banking-connect/Documents/OB_Connect_API_Sandbox_Release_Notes-Release_1-22-0_v1-0.pdf) (463KB)
* [OB_Connect_API_Sandbox_Scenarios_1-22-0_v1-0.pdf](https://static.developer.mastercard.com/content/open-banking-connect/Documents/OB_Connect_API_Sandbox_Scenarios_1-22-0_v1-0.pdf) (2MB)
* [OB_Connect_Sandbox_DataSets_R1-22-0.xlsx](https://static.developer.mastercard.com/content/open-banking-connect/Documents/OB_Connect_Sandbox_DataSets_R1-22-0.xlsx) (57KB)
* [OB_Connect_API_Production_Release_Notes-Release_1-21-0_v1-0.pdf](https://static.developer.mastercard.com/content/open-banking-connect/Documents/OB_Connect_API_Production_Release_Notes-Release_1-21-0_v1-0.pdf) (474KB)
* [OB_Connect_API_Sandbox_Release_Notes-Release_1-21-0_v1-0.pdf](https://static.developer.mastercard.com/content/open-banking-connect/Documents/OB_Connect_API_Sandbox_Release_Notes-Release_1-21-0_v1-0.pdf) (476KB)
* [OB_Connect_API_Sandbox_Scenarios_1-21-0_v1-0.pdf](https://static.developer.mastercard.com/content/open-banking-connect/Documents/OB_Connect_API_Sandbox_Scenarios_1-21-0_v1-0.pdf) (1MB)
* [OB_Connect_API_Sandbox_Release_Notes-Release_1-20-1_v1-0.pdf](https://static.developer.mastercard.com/content/open-banking-connect/Documents/OB_Connect_API_Sandbox_Release_Notes-Release_1-20-1_v1-0.pdf) (389KB)
* [OB_Connect_API_Production_Release_Notes-Release_1-20-1_v1-0.pdf](https://static.developer.mastercard.com/content/open-banking-connect/Documents/OB_Connect_API_Production_Release_Notes-Release_1-20-1_v1-0.pdf) (380KB)
* [OB_Connect_API_Production_Release_Notes-Release_1-20-0_v1-0.pdf](https://static.developer.mastercard.com/content/open-banking-connect/Documents/OB_Connect_API_Production_Release_Notes-Release_1-20-0_v1-0.pdf) (392KB)
* [OB_Connect_API_Sandbox_Scenarios_1-20-0_v1-0.pdf](https://static.developer.mastercard.com/content/open-banking-connect/Documents/OB_Connect_API_Sandbox_Scenarios_1-20-0_v1-0.pdf) (1MB)
* [OB_Connect_Sandbox_DataSets_R1-20-0.xlsx](https://static.developer.mastercard.com/content/open-banking-connect/Documents/OB_Connect_Sandbox_DataSets_R1-20-0.xlsx) (48KB)
* [OB_Connect_API_Production_Release_Notes-Release_1-18-1_v1-0.pdf](https://static.developer.mastercard.com/content/open-banking-connect/Documents/OB_Connect_API_Production_Release_Notes-Release_1-18-1_v1-0.pdf) (218KB)
* [OB_Connect_API_Sandbox_Release_Notes-Release_1-18-1_v1-0.pdf](https://static.developer.mastercard.com/content/open-banking-connect/Documents/OB_Connect_API_Sandbox_Release_Notes-Release_1-18-1_v1-0.pdf) (233KB)
* [CMA9_Standing_Order_Payment_Requirements_v1-0.pdf](https://static.developer.mastercard.com/content/open-banking-connect/Documents/CMA9_Standing_Order_Payment_Requirements_v1-0.pdf) (514KB)

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