The HyperTreeGrid HTG Reader cannot correctly read htg file version 2.0. It shows some random behavior as the reader seems to read from corrupted memory and not from the file. Some parts are valid while others changed randomly. Steps to reproduce * Consider the modified file `randomHTG-pv511_modified.htg` from issue paraview/paraview#21710 * Read this file and look at the `Result` array. *  * Reload the file (`right click on the file -> Reload Files`) * Different result *  I have also observed this behaviour with my own HTG exporter. The appended blob can be read correctly with htg file version 1.0, however shows this corrupted behavior then switching to file version 2.0.