Rhino 8 Grasshopper display and bake unexpected attribute of block

Retested the previous issue in the latest Rhino RC 8.8, and the issues of #1, #2, and #3 still remain. Please see the details and steps for re-creations as following:

#1 display of unexpected attributes

#2 can not display the modified attributes

#3 attributes will unexpectedly reset to default/factory attributes when bake/push

Please kindly download the following files to help re-create the issue.
test for blocks.gh (21.2 KB)
TEST.3dm (3.0 MB)