--- libgig/trunk/ChangeLog	2021/06/18 14:06:20	3941
+++ libgig/trunk/ChangeLog	2021/06/19 09:02:55	3950
@@ -33,6 +33,19 @@
     - Fixed GetGroup(String) to be reentrant-safe.
     - Use GetGroup() instead of GetFirstGroup() / GetNextGroup() in entire
       gig.cpp file.
+    - Changed signature of method File::GetInstrument(uint,progress_t*) to
+      File::GetInstrument(size_t,progress_t*).
+    - Fixed File::GetInstrument(size_t,progress_t*) to be reentrant-safe.
+    - Marked methods File::GetFirstInstrument() and File::GetNextInstrument()
+      as deprecated.
+    - Use File::GetInstrument() instead of File::GetFirstInstrument() /
+      File::GetNextInstrument() in entire gig.cpp file.
+    - Optimized method ScriptGroup::GetScript() to have constant time
+      efficiency.
+    - Changed signature of method File::GetScriptGroup(uint) to
+      File::GetScriptGroup(size_t).
+    - Optimized method File::GetScriptGroup(size_t) to have constant time
+      efficiency.
 
   * src/SF.cpp, src/SF.h:
     - File::DeleteInstrument(): Fix clang sanatizer warning.