Update: This issue is resolved. PDF attachment previews are working again. If you are still encountering an error, please reach out to us at email@example.com.
Original post below: Users have reported an issue with previewing attached PDFs on posts. When you click the PDF to view it, this screen appears -
We are currently researching this issue. The team will update this blog post once the error has been resolved. As a workaround, you can download the PDF to view on your device.
If you have any questions or would like to report an issue, please contact us at firstname.lastname@example.org. Thank you!