Description:
A file created in the stable version crashes when opened in the Dev version

Steps to Reproduce:
1.create doc in stable version (auto download from package manager)
2.save
3.open file with Dev version

Actual Results:
either does not open at all or crashes soon after opening

Expected Results:
If it works in stable version, so should it in dev version


Reproducible: Always


User Profile Reset: No

Additional Info:
[Information automatically included from LibreOffice]
Locale: en-US
Module: PresentationDocument
[Information guessed from browser]
OS: Linux (All)
OS is 64bit: yes

Version: 26.8.0.0.alpha0+ (X86_64)
Build ID: fe4cb5de3fa77562a1a4decc67836e8f79000400
CPU threads: 8; OS: Linux 6.14; UI render: default; VCL: gtk3
Locale: en-ZA (en_ZA.UTF-8); UI: en-US
Calc: threaded

This has been happening to me now for at leas a couple of years. I have raised it, only to be told I must be doing something wrong, but How am I supposed to work that out? 

For a time, I just stopped using the Dev versions, but that is frustrating because it does not happen with Calc, or Writer, and since most of the community I exchange fields with are typically using MS Office, the latest Dev versions typically can handle MS better.

I also use the dev versions because it is my way of giving back.