diff -Nru target-factory-1.4.1/debian/changelog target-factory-1.4.1/debian/changelog
--- target-factory-1.4.1/debian/changelog	2021-12-22 08:29:11.000000000 +0000
+++ target-factory-1.4.1/debian/changelog	2022-03-25 11:00:04.000000000 +0000
@@ -1,3 +1,9 @@
+target-factory (1.4.1-1+rpi1) bookworm-staging; urgency=medium
+
+  * Update symbols file for raspbian.
+
+ -- Peter Michael Green <plugwash@raspbian.org>  Fri, 25 Mar 2022 11:00:04 +0000
+
 target-factory (1.4.1-1) unstable; urgency=medium
 
   * New upstream released.
diff -Nru target-factory-1.4.1/debian/libtarget-factory1.symbols.armhf target-factory-1.4.1/debian/libtarget-factory1.symbols.armhf
--- target-factory-1.4.1/debian/libtarget-factory1.symbols.armhf	2021-12-22 08:29:11.000000000 +0000
+++ target-factory-1.4.1/debian/libtarget-factory1.symbols.armhf	2022-03-25 11:00:04.000000000 +0000
@@ -2090,8 +2090,8 @@
  _ZNSt12_Vector_baseINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEC2Ev@Base 1.4
  _ZNSt12_Vector_baseINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED1Ev@Base 1.4
  _ZNSt12_Vector_baseINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev@Base 1.4
- _ZNSt12__shared_ptrI9ErrorCodeLN9__gnu_cxx12_Lock_policyE2EED1Ev@Base 1.4
- _ZNSt12__shared_ptrI9ErrorCodeLN9__gnu_cxx12_Lock_policyE2EED2Ev@Base 1.4
+ (optional=disappearedinraspbian)_ZNSt12__shared_ptrI9ErrorCodeLN9__gnu_cxx12_Lock_policyE2EED1Ev@Base 1.4
+ (optional=disappearedinraspbian)_ZNSt12__shared_ptrI9ErrorCodeLN9__gnu_cxx12_Lock_policyE2EED2Ev@Base 1.4
  _ZNSt13_Rb_tree_nodeISt4pairIK9UniLogSetbEE9_M_valptrEv@Base 1.4
  _ZNSt13_Rb_tree_nodeISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt10shared_ptrI9ErrorCodeEEE9_M_valptrEv@Base 1.4
  _ZNSt13_Rb_tree_nodeISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEyEE9_M_valptrEv@Base 1.4
@@ -2104,8 +2104,8 @@
  _ZNSt14__array_traitsIyLj11EE6_S_refERA11_Kyj@Base 1.4
  _ZNSt14__array_traitsIyLj3EE6_S_refERA3_Kyj@Base 1.4
  _ZNSt14__array_traitsIyLj5EE6_S_refERA5_Kyj@Base 1.4
- _ZNSt14__shared_countILN9__gnu_cxx12_Lock_policyE2EED1Ev@Base 1.4
- _ZNSt14__shared_countILN9__gnu_cxx12_Lock_policyE2EED2Ev@Base 1.4
+ (optional=disappearedinraspbian)_ZNSt14__shared_countILN9__gnu_cxx12_Lock_policyE2EED1Ev@Base 1.4
+ (optional=disappearedinraspbian)_ZNSt14__shared_countILN9__gnu_cxx12_Lock_policyE2EED2Ev@Base 1.4
  _ZNSt14numeric_limitsIiE3maxEv@Base 1.4
  _ZNSt15_Rb_tree_header8_M_resetEv@Base 1.4
  _ZNSt15_Rb_tree_headerC1Ev@Base 1.4
@@ -2116,7 +2116,7 @@
  _ZNSt15__uniq_ptr_implISt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS6_EESt14default_deleteIS8_EE6_M_ptrEv@Base 1.4
  _ZNSt15__uniq_ptr_implISt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS6_EESt14default_deleteIS8_EEC1EPS8_@Base 1.4
  _ZNSt15__uniq_ptr_implISt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS6_EESt14default_deleteIS8_EEC2EPS8_@Base 1.4
- _ZNSt16_Sp_counted_baseILN9__gnu_cxx12_Lock_policyE2EE10_M_releaseEv@Base 1.4
+ (optional=disappearedinraspbian)_ZNSt16_Sp_counted_baseILN9__gnu_cxx12_Lock_policyE2EE10_M_releaseEv@Base 1.4
  _ZNSt16allocator_traitsISaIN6google8protobuf12UnknownFieldEEE10deallocateERS3_PS2_j@Base 1.4
  _ZNSt16allocator_traitsISaINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEE10deallocateERS6_PS5_j@Base 1.4
  _ZNSt16allocator_traitsISaINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEE7destroyIS5_EEvRS6_PT_@Base 1.4