[Paraview] How to check for the bug which has been fixed in the program?

[liaoli@iapcm.ac.cn]

Hi=2C
I got to know that the bug that a pvtk file cann=27t be read into paravie=
w 1=2E0 had been fixed=2E
But how can I check for the modified program=2Cor modified version=3F
Thanks in advance=2E
liaoli