diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1fb43fa07..674d9b60d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -192,7 +192,7 @@ endif()
 
 # set up versioning.
 set(DF_VERSION "50.07")
-set(DFHACK_RELEASE "alpha2")
+set(DFHACK_RELEASE "alpha3")
 set(DFHACK_PRERELEASE TRUE)
 
 set(DFHACK_VERSION "${DF_VERSION}-${DFHACK_RELEASE}")
diff --git a/docs/changelog.txt b/docs/changelog.txt
index f3592fc4a..89cd14064 100644
--- a/docs/changelog.txt
+++ b/docs/changelog.txt
@@ -35,6 +35,20 @@ changelog.txt uses a syntax similar to RST, with a few special sequences:
 
 ## New Plugins
 
+## Fixes
+
+## Misc Improvements
+
+## Documentation
+
+## API
+
+## Lua
+
+## Removed
+
+# 50.07-alpha3
+
 ## Fixes
 -@ ``widgets.HotkeyLabel``: don't trigger on click if the widget is disabled
 - ``dfhack.job.isSuitableMaterial``: now properly detects lack of fire and magma safety for vulnerable materials with high melting points
@@ -42,8 +56,7 @@ changelog.txt uses a syntax similar to RST, with a few special sequences:
 
 ## Misc Improvements
 - `dig-now`: added handling of dig designations that have been converted into active jobs
-
-## Documentation
+- `buildingplan`: entirely new UI for building placement, item selection, and materials filtering!
 
 ## API
 - Gui focus strings will no longer get the "dfhack/" prefix if the string "dfhack/" already exists in the focus string
diff --git a/docs/plugins/buildingplan.rst b/docs/plugins/buildingplan.rst
index fe3683f77..8b1256b53 100644
--- a/docs/plugins/buildingplan.rst
+++ b/docs/plugins/buildingplan.rst
@@ -3,7 +3,7 @@ buildingplan
 
 .. dfhack-tool::
     :summary: Plan building layouts with or without materials.
-    :tags: fort design buildings
+    :tags: fort design productivity buildings
 
 Buildingplan allows you to place furniture, constructions, and other buildings,
 regardless of whether the required materials are available. This allows you to
diff --git a/library/xml b/library/xml
index 267eb20f7..751065f42 160000
--- a/library/xml
+++ b/library/xml
@@ -1 +1 @@
-Subproject commit 267eb20f75e891fc0ade166e2d316498f454d913
+Subproject commit 751065f42a55504197990f9458826c5f5604bcff
diff --git a/scripts b/scripts
index 4d5bb5551..5896b316f 160000
--- a/scripts
+++ b/scripts
@@ -1 +1 @@
-Subproject commit 4d5bb5551d7e8142b65a064ca9adcccbbb8d4534
+Subproject commit 5896b316f6ebb3d0abf3316a2ba895c173051b36