After upgrading from 7.4.0 to 7.4.1, the X500 email address in the web interface treats spaces as a carriage return and list the next portion of the address on a new line.
Note: It only occurs with Exchange Online Properties in the Web UI. On prem Exchange Properties show it correctly in the Web UI. Check snapshot below:
X500 address is parsed after each space in the address as a new line in the web UI
The MMC shows it correctly as a single line: