diff --git a/prebuilts/api/33.0/private/compat/32.0/32.0.ignore.cil b/prebuilts/api/33.0/private/compat/32.0/32.0.ignore.cil
index a07f5ae..c1fc736 100644
--- a/prebuilts/api/33.0/private/compat/32.0/32.0.ignore.cil
+++ b/prebuilts/api/33.0/private/compat/32.0/32.0.ignore.cil
@@ -18,6 +18,7 @@
     device_config_nnapi_native_prop
     device_config_surface_flinger_native_boot_prop
     device_config_vendor_system_native_prop
+    device_config_vendor_system_native_boot_prop
     dice_maintenance_service
     dice_node_service
     diced
diff --git a/prebuilts/api/33.0/private/flags_health_check.te b/prebuilts/api/33.0/private/flags_health_check.te
index 54ecd45..58275ff 100644
--- a/prebuilts/api/33.0/private/flags_health_check.te
+++ b/prebuilts/api/33.0/private/flags_health_check.te
@@ -24,6 +24,7 @@
 set_prop(flags_health_check, device_config_connectivity_prop)
 set_prop(flags_health_check, device_config_surface_flinger_native_boot_prop)
 set_prop(flags_health_check, device_config_vendor_system_native_prop)
+set_prop(flags_health_check, device_config_vendor_system_native_boot_prop)
 set_prop(flags_health_check, device_config_virtualization_framework_native_prop)
 
 # system property device_config_boot_count_prop is used for deciding when to perform server
diff --git a/prebuilts/api/33.0/private/property_contexts b/prebuilts/api/33.0/private/property_contexts
index 2a9ed78..4eda4a1 100644
--- a/prebuilts/api/33.0/private/property_contexts
+++ b/prebuilts/api/33.0/private/property_contexts
@@ -257,6 +257,7 @@
 persist.device_config.surface_flinger_native_boot.  u:object_r:device_config_surface_flinger_native_boot_prop:s0
 persist.device_config.swcodec_native.               u:object_r:device_config_swcodec_native_prop:s0
 persist.device_config.vendor_system_native.         u:object_r:device_config_vendor_system_native_prop:s0
+persist.device_config.vendor_system_native_boot.    u:object_r:device_config_vendor_system_native_boot_prop:s0
 persist.device_config.virtualization_framework_native. u:object_r:device_config_virtualization_framework_native_prop:s0
 persist.device_config.window_manager_native_boot.   u:object_r:device_config_window_manager_native_boot_prop:s0
 
diff --git a/prebuilts/api/33.0/private/system_server.te b/prebuilts/api/33.0/private/system_server.te
index 0f72c7f..8a7947d 100644
--- a/prebuilts/api/33.0/private/system_server.te
+++ b/prebuilts/api/33.0/private/system_server.te
@@ -752,6 +752,7 @@
 set_prop(system_server, device_config_connectivity_prop)
 set_prop(system_server, device_config_surface_flinger_native_boot_prop)
 set_prop(system_server, device_config_vendor_system_native_prop)
+set_prop(system_server, device_config_vendor_system_native_boot_prop)
 set_prop(system_server, device_config_virtualization_framework_native_prop)
 set_prop(system_server, smart_idle_maint_enabled_prop)
 
diff --git a/prebuilts/api/33.0/public/property.te b/prebuilts/api/33.0/public/property.te
index a235634..42fe979 100644
--- a/prebuilts/api/33.0/public/property.te
+++ b/prebuilts/api/33.0/public/property.te
@@ -68,6 +68,7 @@
 system_restricted_prop(device_config_runtime_native_prop)
 system_restricted_prop(device_config_surface_flinger_native_boot_prop)
 system_restricted_prop(device_config_vendor_system_native_prop)
+system_restricted_prop(device_config_vendor_system_native_boot_prop)
 system_restricted_prop(fingerprint_prop)
 system_restricted_prop(gwp_asan_prop)
 system_restricted_prop(hal_instrumentation_prop)
diff --git a/prebuilts/api/33.0/public/vendor_init.te b/prebuilts/api/33.0/public/vendor_init.te
index b7302d4..57df54c 100644
--- a/prebuilts/api/33.0/public/vendor_init.te
+++ b/prebuilts/api/33.0/public/vendor_init.te
@@ -274,6 +274,7 @@
 
 # Allow vendor_init to read vendor_system_native device config changes
 get_prop(vendor_init, device_config_vendor_system_native_prop)
+get_prop(vendor_init, device_config_vendor_system_native_boot_prop)
 
 ###
 ### neverallow rules
diff --git a/private/app_neverallows.te b/private/app_neverallows.te
index f716367..0d6d42c 100644
--- a/private/app_neverallows.te
+++ b/private/app_neverallows.te
@@ -255,3 +255,15 @@
 
 # Only privileged apps may find the incident service
 neverallow all_untrusted_apps incident_service:service_manager find;
+
+# Do not allow untrusted app to read hidden system proprerties
+# We exclude older application for compatibility and we do not include in the exclusions other normally
+# untrusted applications such as mediaprovider due to the specific logging use cases.
+# Context: b/193912100
+neverallow {
+  untrusted_app_all
+  -untrusted_app_25
+  -untrusted_app_27
+  -untrusted_app_29
+  -untrusted_app_30
+} { userdebug_or_eng_prop }:file read;
diff --git a/private/compat/32.0/32.0.ignore.cil b/private/compat/32.0/32.0.ignore.cil
index 805ca7c..18de796 100644
--- a/private/compat/32.0/32.0.ignore.cil
+++ b/private/compat/32.0/32.0.ignore.cil
@@ -18,6 +18,7 @@
     device_config_nnapi_native_prop
     device_config_surface_flinger_native_boot_prop
     device_config_vendor_system_native_prop
+    device_config_vendor_system_native_boot_prop
     dice_maintenance_service
     dice_node_service
     diced
diff --git a/private/compat/33.0/33.0.cil b/private/compat/33.0/33.0.cil
index d71298a..4b296c9 100644
--- a/private/compat/33.0/33.0.cil
+++ b/private/compat/33.0/33.0.cil
@@ -1455,6 +1455,7 @@
 (typeattributeset build_config_prop_33_0 (build_config_prop))
 (typeattributeset build_odm_prop_33_0 (build_odm_prop))
 (typeattributeset build_prop_33_0 (build_prop))
+(typeattributeset build_prop_33_0 (userdebug_or_eng_prop))
 (typeattributeset build_vendor_prop_33_0 (build_vendor_prop))
 (typeattributeset cache_backup_file_33_0 (cache_backup_file))
 (typeattributeset cache_block_device_33_0 (cache_block_device))
diff --git a/private/flags_health_check.te b/private/flags_health_check.te
index cef7bde..64b595d 100644
--- a/private/flags_health_check.te
+++ b/private/flags_health_check.te
@@ -24,6 +24,7 @@
 set_prop(flags_health_check, device_config_connectivity_prop)
 set_prop(flags_health_check, device_config_surface_flinger_native_boot_prop)
 set_prop(flags_health_check, device_config_vendor_system_native_prop)
+set_prop(flags_health_check, device_config_vendor_system_native_boot_prop)
 set_prop(flags_health_check, device_config_virtualization_framework_native_prop)
 set_prop(flags_health_check, device_config_memory_safety_native_prop)
 
diff --git a/private/heapprofd.te b/private/heapprofd.te
index 246f936..36d2938 100644
--- a/private/heapprofd.te
+++ b/private/heapprofd.te
@@ -41,11 +41,14 @@
 # executables/libraries/etc to do stack unwinding.
 r_dir_file(heapprofd, nativetest_data_file)
 r_dir_file(heapprofd, system_file_type)
-r_dir_file(heapprofd, apex_art_data_file)
 r_dir_file(heapprofd, apk_data_file)
 r_dir_file(heapprofd, dalvikcache_data_file)
 r_dir_file(heapprofd, vendor_file_type)
 r_dir_file(heapprofd, shell_test_data_file)
+# ART apex files and directory access to the containing /data/misc/apexdata.
+r_dir_file(heapprofd, apex_art_data_file)
+allow heapprofd apex_module_data_file:dir { getattr search };
+
 # Some dex files are not world-readable.
 # We are still constrained by the SELinux rules above.
 allow heapprofd self:global_capability_class_set dac_read_search;
diff --git a/private/property_contexts b/private/property_contexts
index f3ed5c7..7ded7cc 100644
--- a/private/property_contexts
+++ b/private/property_contexts
@@ -262,6 +262,7 @@
 persist.device_config.surface_flinger_native_boot.  u:object_r:device_config_surface_flinger_native_boot_prop:s0
 persist.device_config.swcodec_native.               u:object_r:device_config_swcodec_native_prop:s0
 persist.device_config.vendor_system_native.         u:object_r:device_config_vendor_system_native_prop:s0
+persist.device_config.vendor_system_native_boot.    u:object_r:device_config_vendor_system_native_boot_prop:s0
 persist.device_config.virtualization_framework_native. u:object_r:device_config_virtualization_framework_native_prop:s0
 persist.device_config.window_manager_native_boot.   u:object_r:device_config_window_manager_native_boot_prop:s0
 persist.device_config.memory_safety_native.         u:object_r:device_config_memory_safety_native_prop:s0
@@ -794,6 +795,7 @@
 ro.boot.bootloader         u:object_r:bootloader_prop:s0 exact string
 ro.boot.boottime           u:object_r:bootloader_prop:s0 exact string
 ro.boot.console            u:object_r:bootloader_prop:s0 exact string
+ro.boot.ddr_size           u:object_r:bootloader_prop:s0 exact string
 ro.boot.hardware           u:object_r:bootloader_prop:s0 exact string
 ro.boot.hardware.color     u:object_r:bootloader_prop:s0 exact string
 ro.boot.hardware.sku       u:object_r:bootloader_prop:s0 exact string
@@ -850,7 +852,7 @@
 
 ro.actionable_compatible_property.enabled u:object_r:build_prop:s0 exact bool
 
-ro.debuggable       u:object_r:build_prop:s0 exact bool
+ro.debuggable       u:object_r:userdebug_or_eng_prop:s0 exact bool
 ro.force.debuggable u:object_r:build_prop:s0 exact bool
 
 ro.treble.enabled u:object_r:build_prop:s0 exact bool
@@ -878,7 +880,7 @@
 ro.system.build.version.sdk                 u:object_r:build_prop:s0 exact int
 
 ro.adb.secure u:object_r:build_prop:s0 exact bool
-ro.secure     u:object_r:build_prop:s0 exact int
+ro.secure     u:object_r:userdebug_or_eng_prop:s0 exact int
 
 ro.product.system_ext.brand        u:object_r:build_prop:s0 exact string
 ro.product.system_ext.device       u:object_r:build_prop:s0 exact string
diff --git a/private/system_server.te b/private/system_server.te
index 7164a2c..a7be343 100644
--- a/private/system_server.te
+++ b/private/system_server.te
@@ -750,6 +750,7 @@
 set_prop(system_server, device_config_connectivity_prop)
 set_prop(system_server, device_config_surface_flinger_native_boot_prop)
 set_prop(system_server, device_config_vendor_system_native_prop)
+set_prop(system_server, device_config_vendor_system_native_boot_prop)
 set_prop(system_server, device_config_virtualization_framework_native_prop)
 set_prop(system_server, device_config_memory_safety_native_prop)
 set_prop(system_server, smart_idle_maint_enabled_prop)
diff --git a/private/traced_perf.te b/private/traced_perf.te
index 96a7263..811bf48 100644
--- a/private/traced_perf.te
+++ b/private/traced_perf.te
@@ -28,10 +28,12 @@
 # Allow reading files for stack unwinding and symbolization.
 r_dir_file(traced_perf, nativetest_data_file)
 r_dir_file(traced_perf, system_file_type)
-r_dir_file(traced_perf, apex_art_data_file)
 r_dir_file(traced_perf, apk_data_file)
 r_dir_file(traced_perf, dalvikcache_data_file)
 r_dir_file(traced_perf, vendor_file_type)
+# ART apex files and directory access to the containing /data/misc/apexdata.
+r_dir_file(traced_perf, apex_art_data_file)
+allow traced_perf apex_module_data_file:dir { getattr search };
 
 # Allow to temporarily lift the kptr_restrict setting and build a symbolization
 # map reading /proc/kallsyms.
diff --git a/private/untrusted_app_25.te b/private/untrusted_app_25.te
index 4235d7e..51cb514 100644
--- a/private/untrusted_app_25.te
+++ b/private/untrusted_app_25.te
@@ -52,3 +52,7 @@
 # allow sending RTM_GETNEIGH{TBL} messages.
 allow untrusted_app_25 self:netlink_route_socket nlmsg_getneigh;
 auditallow untrusted_app_25 self:netlink_route_socket nlmsg_getneigh;
+
+
+# Allow hidden build props
+get_prop(untrusted_app_25, userdebug_or_eng_prop)
diff --git a/private/untrusted_app_27.te b/private/untrusted_app_27.te
index c747af1..0dde760 100644
--- a/private/untrusted_app_27.te
+++ b/private/untrusted_app_27.te
@@ -40,3 +40,6 @@
 # allow sending RTM_GETNEIGH{TBL} messages.
 allow untrusted_app_27 self:netlink_route_socket nlmsg_getneigh;
 auditallow untrusted_app_27 self:netlink_route_socket nlmsg_getneigh;
+
+# Allow hidden build props
+get_prop(untrusted_app_27, userdebug_or_eng_prop)
diff --git a/private/untrusted_app_29.te b/private/untrusted_app_29.te
index 6bb2606..0360184 100644
--- a/private/untrusted_app_29.te
+++ b/private/untrusted_app_29.te
@@ -18,3 +18,6 @@
 # allow sending RTM_GETNEIGH{TBL} messages.
 allow untrusted_app_29 self:netlink_route_socket nlmsg_getneigh;
 auditallow untrusted_app_29 self:netlink_route_socket nlmsg_getneigh;
+
+# Allow hidden build props
+get_prop(untrusted_app_29, userdebug_or_eng_prop)
diff --git a/private/untrusted_app_30.te b/private/untrusted_app_30.te
index e0a71ef..6893aca 100644
--- a/private/untrusted_app_30.te
+++ b/private/untrusted_app_30.te
@@ -20,3 +20,6 @@
 # allow sending RTM_GETNEIGH{TBL} messages.
 allow untrusted_app_30 self:netlink_route_socket nlmsg_getneigh;
 auditallow untrusted_app_30 self:netlink_route_socket nlmsg_getneigh;
+
+# Allow hidden build props
+get_prop(untrusted_app_30, userdebug_or_eng_prop)
diff --git a/public/domain.te b/public/domain.te
index 6ef4566..11a14c5 100644
--- a/public/domain.te
+++ b/public/domain.te
@@ -130,6 +130,7 @@
 get_prop(domain, socket_hook_prop)
 get_prop(domain, surfaceflinger_prop)
 get_prop(domain, telephony_status_prop)
+get_prop({domain - untrusted_app_all },  userdebug_or_eng_prop)
 get_prop(domain, vendor_socket_hook_prop)
 get_prop(domain, vndk_prop)
 get_prop(domain, vold_status_prop)
@@ -577,6 +578,7 @@
 
 neverallow { domain -init } aac_drc_prop:property_service set;
 neverallow { domain -init } build_prop:property_service set;
+neverallow { domain -init } userdebug_or_eng_prop:property_service set;
 
 # Do not allow reading device's serial number from system properties except form
 # a few allowed domains.
diff --git a/public/hal_dumpstate.te b/public/hal_dumpstate.te
index aee283a..193b05a 100644
--- a/public/hal_dumpstate.te
+++ b/public/hal_dumpstate.te
@@ -13,3 +13,6 @@
 allow hal_dumpstate shell_data_file:file write;
 # allow reading /proc/interrupts for all hal impls
 allow hal_dumpstate proc_interrupts:file r_file_perms;
+
+# Log fsck results
+r_dir_file(hal_dumpstate, fscklogs)
diff --git a/public/property.te b/public/property.te
index 865acc2..b6c365d 100644
--- a/public/property.te
+++ b/public/property.te
@@ -68,9 +68,11 @@
 system_restricted_prop(device_config_runtime_native_prop)
 system_restricted_prop(device_config_surface_flinger_native_boot_prop)
 system_restricted_prop(device_config_vendor_system_native_prop)
+system_restricted_prop(device_config_vendor_system_native_boot_prop)
 system_restricted_prop(fingerprint_prop)
 system_restricted_prop(gwp_asan_prop)
 system_restricted_prop(hal_instrumentation_prop)
+system_restricted_prop(userdebug_or_eng_prop)
 system_restricted_prop(hypervisor_prop)
 system_restricted_prop(init_service_status_prop)
 system_restricted_prop(libc_debug_prop)
diff --git a/public/te_macros b/public/te_macros
index 4dd510a..78e7636 100644
--- a/public/te_macros
+++ b/public/te_macros
@@ -202,6 +202,8 @@
 allow $1 virtualizationservice:vsock_socket { getattr read write };
 # Allow client to inspect hypervisor capabilities
 get_prop($1, hypervisor_prop)
+# Allow client to read (but not open) the crashdump provided by virtualizationservice
+allow $1 virtualizationservice_data_file:file { getattr read };
 ')
 
 #####################################
diff --git a/public/vendor_init.te b/public/vendor_init.te
index b7302d4..57df54c 100644
--- a/public/vendor_init.te
+++ b/public/vendor_init.te
@@ -274,6 +274,7 @@
 
 # Allow vendor_init to read vendor_system_native device config changes
 get_prop(vendor_init, device_config_vendor_system_native_prop)
+get_prop(vendor_init, device_config_vendor_system_native_boot_prop)
 
 ###
 ### neverallow rules