It seems that after the latest release there are some errors parsing XAML files. What yesterday was ok with version 1.16 now throws error as bellow (version 1.18).
##[error]11:11:36.249 ERROR: Error during SonarScanner execution
Error during parsing of the generic coverage report ‘C:\ac-ag-efe03591-we_work\2\s\SonarQube.xml’. Look at SonarQube documentation to know the expected XML format.
Caused by: java.lang.IllegalStateException: Line 12738 of report refers to a file with an unknown language: C:\ac-ag-efe03591-we_work\2\s\PATH\FILENAME.xaml
at org.sonar.api.utils.Preconditions.checkState(Preconditions.java:47)