Help request: featured image not showing up in social media posts – selectively

For my last few posts, Twitter and Facebook aren’t pulling the featured image through in social media posts. For example this one: https://www.overcomecompulsivehoarding.co.uk/podcast-ep-120-what-a-crooked-church-spire-can-tell-us-about-failure-and-flaws-and-weirdness/

I’ve updated WordPress and updated all my plugins, I’ve cleared the cache, I’ve removed Yoast SEO in case that was causing the problem (The Facebook Debugger said fb:app_id was missing and Yoast said fb:app_id did nothing so had removed its functionality).

I’ve installed the Open Graph and Twitter Card Tags (3.3.2) plugin. Still nothing’s working!

Even weirder, I can see it’s working on certain posts (e.g. https://www.overcomecompulsivehoarding.co.uk/time-for-a-kondo-clean-out-heres-what-clutter-does-to-your-brain-and-body/ ) but not others (e.g. https://www.overcomecompulsivehoarding.co.uk/podcast-ep-119-homelessness-and-hoarding-with-dr-jan-eppingstall-of-stuffology/ )

I’ve got to the end of my knowledge and would appreciate any advice!

The page I need help with: [log in to see the link]