diff --git a/BuildParams b/BuildParams
index 63c2d7321b..dda25e3e63 100644
--- a/BuildParams
+++ b/BuildParams
@@ -16,6 +16,9 @@ build_Linux_Doxygen = true
# Need viewer-build-variables as well as other shared repositories
buildscripts_shared_more_NAMEs="build_secrets build_variables git_hooks"
+# Python 3 / SL-15742
+BUILDSCRIPTS_PY3 = "true"
+
################################################################
#### Examples of how to set the viewer_channel ####
#
diff --git a/autobuild.xml b/autobuild.xml
index 3d331c4c01..b47dccde3c 100644
--- a/autobuild.xml
+++ b/autobuild.xml
@@ -2231,9 +2231,9 @@
archive
name
darwin64
@@ -2255,16 +2255,16 @@
archive
name
windows
version
- 1.0.538972
+ 1.0.565768
llphysicsextensions_stub