I didn't see anything posted about this out here. We just upgraded to 10.3 and noticed that the URL pointing to a report has changed. 

FROM:

http://*IP ADDESS*/Forms/bp/listing/359#/bam/reports/reportinstances/359/540?dateinstances=all&startdateinstances=&enddateinstances=&forminstances=0&initiatorinstances=0&instancenameinstances=&isascinstances=false&pageinstances=1&pagesizeinstances=20&sort

TO:

http://*IP ADDRESS*/Forms/Home/Reports/#/reports/custom/simpleTable/540/525?dateinstances=all&startdateinstances=&enddateinstances=&forminstances=0&initiatorinstances=0&instancenameinstances=&isascinstances=false&pageinstances=1&pagesizeinstances=20&sortbyinstances=start_date&thensortbyinstances=start_date&stageinstances=0&statusinstances=0&stepinstances=0&attrtypeinstances=&limitCustom=20&offsetCustom=0&sortByCustom=lastModified_des&searchCustom=&process=

Also, there are some interesting differences in these URLs. I don't see anything in the 'Using Reports' section of the help file. Can this URL be modified to add any sort options or parameters?

EDIT: Sharepoint only allows links up to 255 characters, which the new URL exceeds. I could successfully trim off all the parameters and the URL worked fine. To summarize, I went from a link of 458 characters down to 73.

Thank you in advance :)

Chris