# Browser Extension Version 15.1.0 ## Improvements * Multiple: "Stay Logged In" improvements to prevent edge cases where the extension logs out * BE-3822: Added capability for Browser Extension to perform Vault Transfer acceptance * BE-3787: Improved the performance of Firefox when Keeper is running * BE-1873: Improved performance with Dynamics 365 * BE-2008: Improved performance with Microsoft Sharepoint * BE-2508: Improved performance with Gitbook.com * BE-2630: Improved performance with eSource * BE-3506: Additional support for Role Policy enforcements in the KeeperFill section of the Admin Console / Role Policy / Enforcements section. ## Bug Fixes * BE-3820: Improved handling of Web socket disconnections\ (Syncing is broken until logout/login) * BE-3815: Back button freezes the extension in certain paths * BE-3787: Slow performance on Firefox * BE-3808: If Web Vault access is restricted, don't auto-login the user to the Web Vault. * BE-3040: Copy of masked custom field / masked note from search results * BE-3267: Country list with Samoa listed in the wrong location * BE-3331: Certain letters chopped off in the country name list * BE-3335: Extension closes the vault after logging in with Yubikey * BE-3637: Error message appears when trying to login to US data center after having logged into the EU data center with an SSO account. * BE-3651: Login sequentially to accounts on both US and EU region causes the extension to be confused --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.keeper.io/release-notes/jp/browser/browser-extension/older/browser-extension-version-15.1.0.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.