guides/upgrade/v1912-Developer-Upgrade-Guide.md

+<!-- --- title: Developer Upgrade Guide (OpenFOAM-v1912) -->
+
+[Back to Upgrade Guides](/guides/upgrade/upgrade)
+
+## _Preview information, subject to change at any time !!!_
+
+
+## Deprecation and Removal
+
+### Deprecated Methods
+
+### Removed Methods
+
+### Removed Items
+
+## Changes in definition
+
+## Changes in behaviour
+
+## Namespace changes
+
+[v1912-notes]: https://www.openfoam.com/releases/openfoam-v1912/