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Optimistic Locking in Offline Apps#11218

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Optimistic Locking in Offline Apps#11218
ConnorLand wants to merge 1 commit into
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ctl-offline-optimistic-locking-1111

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@ConnorLand ConnorLand self-assigned this May 19, 2026
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### Support Status by App Type

Optimistic locking is supported in the following types of Mendix apps:

| App Type | Support Status | Lowest Supported Version |
| --- | --- | --- |
| Online | Supported | [Studio Pro 11.5](/releasenotes/studio-pro/11.5/) |
| Offline | Supported | [Studio Pro 11.11](/releasenotes/studio-pro/11.11/) |

Additional information on optimistic locking behavior:
* In online Mendix apps, ___
* In offline Mendix apps, offline changes are synchronized to the server without being blocked by optimistic locking version checks
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@arjenw arjenw May 20, 2026

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Suggestion: what if you would describe it as:

Support for Offline apps (Offline PWA and Native Mobile apps)

Optimistic locking is supported from Studio Pro 11.11. As data can live for a long time in offline apps, changes based on that data that are synchronized from offline apps to the Mendix Runtime Server are committed to the database without optimistic locking to avoid conflicts. As such, offline data synchronization may overwrite changes.

(feel free to improve this text further)

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