- Fixed: Packages with duplicate units may not have caused a fatal compiler error.
- Added: Support for Delphi 10.3 Rio
- Added: StyleUtils.inc performance optimizations for faster UI rendering (D10.3)
- Added: Infinite loop detection in TDebugger.UpdateEventLog
- Added: Fix for TStringList.IndexOfName bug (RSP-21633)
- Added: Fix for access violation in the Welcomepage JScript9.dll binding
- Added: TCustomListBox.ResetContent is skipped if the handle isn’t created yet
- Added: More STRINGCHECKS-free RTL code (2009/2010)
- Added: More DFM Streaming optimizations
- Added: RTL and DFM streaming patches to remove STRINGCHECKS (2009/2010)
- Added: Removed VclFixPack OutputDebugString calls (2009)
- Added: FillChar uses Enhanced REP MOVSB/STOSB cpu feature if available for large sizes.
- Added: Enabled CPU LOCK string assignment optimization for local variables
- Added: -x-Oe (experimental optimizations) and -x-cgo compiler option extension
- Added: CodeGen: Remove of some unnecessary push/pop operations
- Added: Expression Evaluator allows array access to pointers even if the type wasn’t declared with {$POINTERMATH ON}
- Added: Max number of constants in a function was increased from 64K to 16M (2009-XE3)
- Added: New compiler option extensions: -x–compileonly, -x–reslist, -x–depfile, -x–unitstats
- Added: More performance optimization for the DCC64 compiler
- Added: TStringBuilder.SetLength optimization [RSP-19178] (XE+)
- Added: TStrings.GetDelimitedText optimization
- Improved: Slight faster TStringList.IndexOfName optimization for sorted string lists.
6.4.1
- Fixed: StyleUtils.inc patch contained a hard coded address causing the patch to fail if the DLL’s base address was relocated. (10.3 only)
- Fixed: TCustomListBox.ResetContent patch crashed with an access violation. (2010 only)






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