Release: Start of Blender 5.1 alpha

doc/doxygen/Doxyfile

@@ -38,7 +38,7 @@ PROJECT_NAME           = Blender
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = V5.0
+PROJECT_NUMBER         = V5.1
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a

source/blender/blenkernel/BKE_blender_version.h

@@ -17,7 +17,7 @@
  */
 
 /** Blender major and minor version. */
-#define BLENDER_VERSION 500
+#define BLENDER_VERSION 501
 /** Blender patch version for bug-fix releases. */
 #define BLENDER_VERSION_PATCH 0
 /** Blender release cycle stage: alpha/beta/rc/release. */
@@ -27,7 +27,7 @@
 
 /* Blender file format version. */
 #define BLENDER_FILE_VERSION BLENDER_VERSION
-#define BLENDER_FILE_SUBVERSION 106
+#define BLENDER_FILE_SUBVERSION 0
 
 /* Minimum Blender version that supports reading file written with the current
  * version. Older Blender versions will test this and cancel loading the file, showing a warning to

source/blender/blenloader/CMakeLists.txt

@@ -35,6 +35,7 @@ set(SRC
   intern/versioning_440.cc
   intern/versioning_450.cc
   intern/versioning_500.cc
+  intern/versioning_510.cc
   intern/versioning_common.cc
   intern/versioning_defaults.cc
   intern/versioning_dna.cc

source/blender/blenloader/intern/readfile.cc

@@ -3526,6 +3526,9 @@ static void do_versions(FileData *fd, Library *lib, Main *main)
   if (!main->is_read_invalid) {
     blo_do_versions_500(fd, lib, main);
   }
+  if (!main->is_read_invalid) {
+    blo_do_versions_510(fd, lib, main);
+  }
 
   /* WATCH IT!!!: pointers from libdata have not been converted yet here! */
   /* WATCH IT 2!: #UserDef struct init see #do_versions_userdef() above! */
@@ -3588,6 +3591,9 @@ static void do_versions_after_linking(FileData *fd, Main *main)
   if (!main->is_read_invalid) {
     do_versions_after_linking_500(fd, main);
   }
+  if (!main->is_read_invalid) {
+    do_versions_after_linking_510(fd, main);
+  }
 
   main->is_locked_for_linking = false;
 }

source/blender/blenloader/intern/readfile.hh

@@ -311,6 +311,7 @@ void blo_do_versions_430(FileData *fd, Library *lib, Main *bmain);
 void blo_do_versions_440(FileData *fd, Library *lib, Main *bmain);
 void blo_do_versions_450(FileData *fd, Library *lib, Main *bmain);
 void blo_do_versions_500(FileData *fd, Library *lib, Main *bmain);
+void blo_do_versions_510(FileData *fd, Library *lib, Main *bmain);
 
 void do_versions_after_linking_250(Main *bmain);
 void do_versions_after_linking_260(Main *bmain);
@@ -325,6 +326,7 @@ void do_versions_after_linking_430(FileData *fd, Main *bmain);
 void do_versions_after_linking_440(FileData *fd, Main *bmain);
 void do_versions_after_linking_450(FileData *fd, Main *bmain);
 void do_versions_after_linking_500(FileData *fd, Main *bmain);
+void do_versions_after_linking_510(FileData *fd, Main *bmain);
 
 void do_versions_after_setup(Main *new_bmain,
                              BlendfileLinkAppendContext *lapp_context,

source/blender/blenloader/intern/versioning_510.cc

@@ -0,0 +1,42 @@
+/* SPDX-FileCopyrightText: 2025 Blender Authors
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later */
+
+/** \file
+ * \ingroup blenloader
+ */
+
+#define DNA_DEPRECATED_ALLOW
+
+#include "DNA_ID.h"
+
+#include "BLI_sys_types.h"
+
+#include "BKE_main.hh"
+
+#include "readfile.hh"
+
+#include "versioning_common.hh"
+
+// #include "CLG_log.h"
+// static CLG_LogRef LOG = {"blend.doversion"};
+
+void do_versions_after_linking_510(FileData * /*fd*/, Main * /*bmain*/)
+{
+  /**
+   * Always bump subversion in BKE_blender_version.h when adding versioning
+   * code here, and wrap it inside a MAIN_VERSION_FILE_ATLEAST check.
+   *
+   * \note Keep this message at the bottom of the function.
+   */
+}
+
+void blo_do_versions_510(FileData * /*fd*/, Library * /*lib*/, Main * /*bmain*/)
+{
+  /**
+   * Always bump subversion in BKE_blender_version.h when adding versioning
+   * code here, and wrap it inside a MAIN_VERSION_FILE_ATLEAST check.
+   *
+   * \note Keep this message at the bottom of the function.
+   */
+}

source/blender/blenloader/intern/versioning_xxx_template.cc

@@ -13,10 +13,10 @@
  *
  * When initializing a new version of Blender in main, after branching out the current one into
  * its release branch:
- * - Copy that file and rename it to the proper new version number (e.g. `versioning_501.cc`).
+ * - Copy that file and rename it to the proper new version number (e.g. `versioning_510.cc`).
  * - Rename the two functions below by replacing the `xxx` with the matching new version number.
  * - Add the new file to CMakeList.txt
- * - Add matching calls in #do_versions_after_linking and #do_versions, in `readfile.cc`.
+ * - Add matching calls in #do_versions_after_linking and #do_versions, in `readfile.cc` and update declarations in`readfile.hh`.
  */
 
 #define DNA_DEPRECATED_ALLOW