diff --git a/CMakeLists.txt b/CMakeLists.txt
index 34e60736e..b6fe84032 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -106,7 +106,7 @@ endif()
 
 # set up versioning.
 set(DF_VERSION "0.42.06")
-SET(DFHACK_RELEASE "alpha1")
+SET(DFHACK_RELEASE "alpha2")
 SET(DFHACK_PRERELEASE TRUE)
 
 set(DFHACK_VERSION "${DF_VERSION}-${DFHACK_RELEASE}")
diff --git a/NEWS.rst b/NEWS.rst
index 89d08706f..54b986e73 100644
--- a/NEWS.rst
+++ b/NEWS.rst
@@ -70,10 +70,12 @@ New Features
 
 Fixes
 -----
+- Fixed a crash bug caused by the historical figures DFHack uses to store persistent data.
 - More plugins should recognize non-dwarf citizens
 - Fixed a possible crash from cloning jobs
 - `confirm` note-delete: No longer interferes with name entry
 - `exportlegends`: Handles entities without specific races, and a few other fixes for things new to v0.42
+- `fastdwarf`: Fixed a bug involving teleporting mothers but not the babies they're holding.
 - `gaydar`: Fixed text display on OS X/Linux and failure with soul-less creatures
 - `manipulator`:
 
diff --git a/library/include/df/custom/building_handler.methods.inc b/library/include/df/custom/building_handler.methods.inc
new file mode 100644
index 000000000..c160f5470
--- /dev/null
+++ b/library/include/df/custom/building_handler.methods.inc
@@ -0,0 +1 @@
+friend struct df::world;
diff --git a/library/include/df/custom/machine_handler.methods.inc b/library/include/df/custom/machine_handler.methods.inc
new file mode 100644
index 000000000..c160f5470
--- /dev/null
+++ b/library/include/df/custom/machine_handler.methods.inc
@@ -0,0 +1 @@
+friend struct df::world;
diff --git a/library/modules/EventManager.cpp b/library/modules/EventManager.cpp
index 6384e897c..9133b48bb 100644
--- a/library/modules/EventManager.cpp
+++ b/library/modules/EventManager.cpp
@@ -16,6 +16,7 @@
 #include "df/general_ref_type.h"
 #include "df/general_ref_unit_workerst.h"
 #include "df/global_objects.h"
+#include "df/historical_figure.h"
 #include "df/interaction.h"
 #include "df/item.h"
 #include "df/item_actual.h"
@@ -296,6 +297,11 @@ void DFHack::EventManager::onStateChange(color_ostream& out, state_change_event
         for ( size_t a = 0; a < EventType::EVENT_MAX; a++ ) {
             eventLastTick[a] = -1;//-1000000;
         }
+        for ( size_t a = 0; a < df::global::world->history.figures.size(); a++ ) {
+            df::historical_figure* unit = df::global::world->history.figures[a];
+            if ( unit->id < 0 && unit->name.language < 0 )
+                unit->name.language = 0;
+        }
 
         gameLoaded = true;
     }
diff --git a/library/xml b/library/xml
index 49e1324f4..90645ebd8 160000
--- a/library/xml
+++ b/library/xml
@@ -1 +1 @@
-Subproject commit 49e1324f415056f3ae39cb32328e3351a3a2b383
+Subproject commit 90645ebd8e8433196d695a478e3d6c9a32add21d
diff --git a/plugins/fastdwarf.cpp b/plugins/fastdwarf.cpp
index bbfa5d1d8..964e2906e 100644
--- a/plugins/fastdwarf.cpp
+++ b/plugins/fastdwarf.cpp
@@ -10,6 +10,7 @@
 #include "df/unit.h"
 #include "df/unit_action.h"
 #include "df/map_block.h"
+#include "df/units_other_id.h"
 
 using std::string;
 using std::vector;
@@ -97,6 +98,17 @@ DFhackCExport command_result plugin_onupdate ( color_ostream &out )
             // move unit to destination
             unit->pos = unit->path.dest;
             unit->path.path.clear();
+
+            //move unit's riders(including babies) to destination
+            if (unit->flags1.bits.ridden)
+            {
+                for (size_t j = 0; j < world->units.other[units_other_id::ANY_RIDER].size(); j++)
+                {
+                    df::unit *rider = world->units.other[units_other_id::ANY_RIDER][j];
+                    if (rider->relations.rider_mount_id == unit->id)
+                        rider->pos = unit->pos;
+                }
+            }
         } while (0);
 
         if (enable_fastdwarf)