Catia V5 R32 -
R32 is exceptionally stable. R31 had a nasty bug where drafting dimensions would "jump" when reopening a file. R32 fixes that. If R31 is working perfectly for you, wait for R33. If R31 is buggy, move to R32 immediately.
Dassault Systèmes provides the primary sources for technical specifications and release details: catia v5 r32
CATIA V5 R32 continues to offer the comprehensive "Engineering Excellence" toolset required for complex mechanical projects: R32 is exceptionally stable
provide a dedicated, parametric text module directly within the CATIA construction tree, bypassing the DXF workaround. : Tools like Txt2Sketch catia v5 r32