Get last value in group

FilipK This will return your first desired table:

Table 2 = 
    VAR __Table = SUMMARIZE('Table (5)',[deviceId],"__time",MAX('Table (5)'[time]))
    VAR __Table2 = ADDCOLUMNS(__Table,"__Version",MAXX(FILTER('Table (5)','Table (5)'[deviceId] = [deviceId] && [time] = [__time]),[Version]))
RETURN
    __Table2

You can use this in a measure like the following:

Measure = 
    VAR __Version = MAX([Version])
    VAR __Table = SUMMARIZE(ALL('Table (5)'),[deviceId],"__time",MAX('Table (5)'[time]))
    VAR __Table2 = ADDCOLUMNS(__Table,"__Version",MAXX(FILTER('Table (5)','Table (5)'[deviceId] = [deviceId] && [time] = [__time]),[Version]))
RETURN
    COUNTROWS(FILTER(__Table2,[__Version] = __Version)) + 0

This would be used in a pie chart along with your [Version] column for example.

FilipK 

pls see the atatchment below

Hi,

You may download my PBI file from here.

Hope this helps.