12 January 2026
ZSS 3.4 Released
Zumero for SQL Server (ZSS) v3.4 is now available for download in the dev center.
ZSS v3.4 contains numerous improvements and bug fixes, including:
Client
- (iOS/MacOS) Support multiple platforms with an xcframework file.
- Support .Net 8/9/10 and MAUI in NuGet packages.
- Support SQLitePCLRaw version 3.x.
- Attempt to throw a more informative error when encountering an unusual HTTP status code.
- Add a
setup_commandsarray option to thejsOptionsobject.
This array of SQL statements is run immediately after opening the connection to the SQLite database. This can be useful for configuring more complex encryption parameters. - Add the
jsOptionsparameter toquarantine_since_last_sync3,sync_quarantine3, anddelete_quarantine3. - Correct sync failures when users include a SQLite version compiled with
SQLITE_DQS=1. - (Android) Build with support for 16kb page size, as required by Google Play.
- (Android) Improve cancelability while waiting for a response.
- Add support for sqlite3mc.
ZSS Manager
- Correct a bug in the Effective Filter tab, which was rendering incorrect SQL.
- For the login dialog, Trust Server Certificate is now a checkbox to allow a clearer understanding of the security implications.
- DBFile names can now be changed during export.
This allows users to copy the settings of a dbfile to a new dbfile on the same primary server. - When selecting an Active Directory domain, the list will include all available domains.
Server
- Include the latest revision of the ODBC driver that includes TLS 1.2 support.
- When using Active Directory authentication to validate a sync user’s credentials, use
LOGON32_LOGON_INTERACTIVE.
See the release notes for complete details.
17 March 2021
ZSS 3.3 Released
Zumero for SQL Server (ZSS) v3.3 is now available for download in the dev center.
ZSS v3.3 contains numerous improvements and bug fixes, including:
- Azure Active Directory is now supported as a login method for both ZSS Manager and in the ZSS Server’s connection string.
- The Zumero NuGet package supports .NET Core projects.
- The Xamarin Forms and SQLite-Net C# Data Bindings project templates in Zumero App Generator (ZAG) were updated with a new Dispatcher to handle concurrent SQLite operations.
- The version of BCrypt used when encrypting passwords was updated.
See the release notes for complete details.
24 October 2019
ZSS 3.2.1 Released
Zumero for SQL Server (ZSS) v3.2.1 is now available for download in the dev center.
ZSS v3.2.1 contains numerous improvements and bug fixes, including:
- Fixed a memory leak in the Zumero Server.
- Handle a race condition that can occur when UPDATE statements occur during a sync.
- Added a robots.txt file to the Zumero Server site to prevent search engines from indexing them.
See the release notes for complete details.
25 September 2019
ZSS 3.2 Released
Zumero for SQL Server (ZSS) v3.2 is now available for download in the dev center.
ZSS v3.2 contains numerous improvements and bug fixes, including:
- A more powerful Purge History feature.
- Optimized queries during the server’s sync process.
- Improved user experience in ZSS Manager when editing filters.
- New SQL Indexes to improve performance.
See the release notes for complete details.
20 August 2018
ZSS 3.1.1 Released
Zumero for SQL Server (ZSS) v3.1.1 is now available for download in the dev center.
ZSS v3.1.1 contains numerous improvements and bug fixes, including:
- Better error reporting in Android network layer
- .NET Standard support added to the Zumero NuGet package
- Added support for columns with a default of (NEWSEQUENTIALID())
- Improved performance of common sync operations
See the release notes for complete details.
15 November 2017
ZSS 3.1 Released
Zumero for SQL Server (ZSS) v3.1 is now available for download in the dev center.
ZSS v3.1 includes the following enhancements and fixes:
- Multiple client-side and server-side changes to increase the speed of sync operations
- Improved the performance of ZSS Manager with databases containing large numbers of tables
- Cancelled syncs and network interruptions are no longer logged in the Server’s Event Viewer
- The Zumero_sqlcipher bundle now supports the UWP platform
See the release notes for complete details.
03 April 2017
ZSS 3.0.1 Released
Zumero for SQL Server (ZSS) v3.0.1 is now available for download in the dev center.
ZSS v3.0.1 contains numermous improvements and bug fixes, including:
- Client-side and server-side performance improvements to reduce the time and resources used during sync operations.
- Fixed a regression in version 3.0.0 causing “Conversion failed” errors when pushing INSERT operations into a table that has a foreign key reference to an IDENTITY column if there is a non-default conflict resolution rule on the foreign key constraint.
- Performance improvements in ZSS Manager to improve the admin experience for complex configurations and/or when the connection to the database has high latency.
- The NuGet package now supports AnyCPU builds in Windows desktop projects.
See the release notes for complete details.
28 November 2016
ZSS 3.0 Released
Zumero for SQL Server (ZSS) v3.0 is now available for download in the dev center.
ZSS v3.0 includes:
- A newly redesigned ZSS Manager which makes creating DBFiles and preparing tables much simpler than before
- Rollback Recovery allowing client devices to gracefully recover in the event of a SQL Server database rollback
- Numerous performance enhancements and better error reporting for both the client and server
- Improved support for SQLCipher for encrypting client SQLite databases
- Support for Android 7.0 (Android Nougat)
See the release notes for complete details.
20 June 2016
Zumero for SQL Server (ZSS) v2.3 Released
Zumero for SQL Server (ZSS) v2.3 is now available for download in the dev center.
ZSS v2.3 includes:
- Client access to a list of rows updated/added/deleted by a sync
- Updated PhoneGap/Cordova support
- Numerous performance and stability enhancements
See the release notes for complete details.
18 May 2016
Zumero for SQL Server (ZSS) v2.2.2 Released
Zumero for SQL Server (ZSS) v2.2.2 is now available for download in the dev center.
ZSS 2.2.2 is a bugfix and stability release, and is a recommended update for all users of all previous ZSS versions.
See the release notes for complete details.