Steps to reproduce:

1. Download Bookworm, a book reader. A build can be found here. https://ci.appveyor.com/api/buildjobs/kffqbo4qru8pok39/artifacts/scripts%2FBookworm-2022.1b1-x64-portable.zip. Go into general preferences by pressing control+shift+p, and make sure the Try to support the screen reader's continuous reading mode by automatically turning pages (may not work in some cases) option is enabled.
2. Open a PDF file and read it using say all. Example: https://www.dropbox.com/s/rlq00oplvkfzfl2/DoubleTalk%20RC8660%20Chipset%20Manual.pdf?dl=1.

Actual behavior:

Say all doesn't turn the page after the end of it is reached. You will notice that it will stop reading around the end of page 1.

Expected behavior:

Say all should be able to continuously turn the page.

NVDA logs, crash dumps and other attachments:

System configuration

NVDA installed/portable/running from source:

Installed

NVDA version:

alpha-25928,3894e25f

Windows version:

Windows 11, Version 22H2 (OS Build 25158.1000).

Name and version of other software in use when reproducing the issue:

Bookworm 2022.1b1.

Other information about your system:

N/A

Other questions

Does the issue still occur after restarting your computer?

Yes.

Have you tried any other versions of NVDA? If so, please report their behaviors.

Yes, NVDA snapshot alpha-25824,9172c09a and below work normally.

If NVDA add-ons are disabled, is your problem still occurring?

Yes.

Does the issue still occur after you run the COM Registration Fixing Tool in NVDA's tools menu?

Yes.