diff '--color=auto' -ur kicad-8.0.5.orig/3d-viewer/3d_cache/3d_cache.cpp kicad-8.0.5/3d-viewer/3d_cache/3d_cache.cpp
--- kicad-8.0.5.orig/3d-viewer/3d_cache/3d_cache.cpp	2024-09-06 18:28:40.000000000 +0200
+++ kicad-8.0.5/3d-viewer/3d_cache/3d_cache.cpp	2024-11-05 11:40:58.773367999 +0100
@@ -381,7 +381,13 @@
 
     fclose( fp );
     unsigned int digest[5];
-    dblock.get_digest( digest );
+    // V8 only
+    // Boost 1.86 and later changed digest_type from uchar[20] from int[5]
+    // But KiCad 8.99 and later use MurmurHash3 here, so just do a fairly ugly cast to keep
+    // this going for another few months.
+    static_assert( sizeof( digest ) == sizeof( boost::uuids::detail::sha1::digest_type& ),
+                   "SHA1 digest size mismatch" );
+    dblock.get_digest( reinterpret_cast<boost::uuids::detail::sha1::digest_type&>( digest ) );
 
     // ensure MSB order
     for( int i = 0; i < 5; ++i )
diff '--color=auto' -ur kicad-8.0.5.orig/common/kiid.cpp kicad-8.0.5/common/kiid.cpp
--- kicad-8.0.5.orig/common/kiid.cpp	2024-09-06 18:28:40.000000000 +0200
+++ kicad-8.0.5/common/kiid.cpp	2024-11-05 11:40:49.030394379 +0100
@@ -25,9 +25,9 @@
 
 #include <kiid.h>
 
+#include <boost/random/mersenne_twister.hpp>
 #include <boost/uuid/uuid_generators.hpp>
 #include <boost/uuid/uuid_io.hpp>
-#include <boost/functional/hash.hpp>
 
 #if BOOST_VERSION >= 106700
 #include <boost/uuid/entropy_error.hpp>
@@ -235,15 +235,7 @@
 
 size_t KIID::Hash() const
 {
-    size_t hash = 0;
-
-    // Note: this is NOT little-endian/big-endian safe, but as long as it's just used
-    // at runtime it won't matter.
-
-    for( int i = 0; i < 4; ++i )
-        boost::hash_combine( hash, reinterpret_cast<const uint32_t*>( m_uuid.data )[i] );
-
-    return hash;
+    return boost::uuids::hash_value( m_uuid );
 }