This specific build refined plugin stability, improved VST performance, and fixed CD burning errors present in earlier 5.x releases. It is widely regarded as one of the most stable pre-“WaveLab 7” versions.
Running WaveLab 5 or 6.1 on modern computer hardware requires specific software workarounds. Because these versions were engineered in the 32-bit floating-point processor era, they do not communicate smoothly with modern 64-bit operating systems. Installing Wavelab Pro 10 over Wavelab 6 - Steinberg Forums Wavelab 5 Full Version 61
The "Build 61" update specifically addressed several minor stability issues with VST plugin hosting and improved the burning engine's compatibility with the newer (at the time) double-layer DVD drives. Legacy and Compatibility This specific build refined plugin stability, improved VST