J'aimerais voir quels sont les résultats que tu as optenus. 

Did you remove v. 23 before upgrading?

I'm not really sure if that's true because both options are very useful. I use another app in which I render .mp4 overlays but also purchased a number of Corel's overlays.

luctsi2018:eccolo qui https://drive.google.com/file/d/1qO15OrRC6iKsLgozJpdHg3A-kXD2mv70/view?usp=sharing   Il motivo per cui non vedi la clip selezionata è perché è coperta dalla clip sul livello superiore. Prova prima a selezionare la clip in alto e poi ridimensionala. 

Perhaps I wasn't clear. All these .mp4 overlay files have no transparency and have a black background. That's why it would be so useful to have blending modes in PS.

Well, many (if not most) high-end overlays come as .mp4 files. But you might be right, the new overlay category in the library and the new offerings of overlays do not bode well for the introduction of blend modes any time soon. Yet, blend modes are also useful for other compositing jobs.

I totally agree. Even if not many folks may know for what purpose to use blend modes, they are really handy for composite shots. Take for instance an .mp4 file with light leaks, lens flares or any other overlay with black background. With blending modes you can easily block out the black background by using a blending mode such as 'screen'. Of ...

In november of 2019 there was another Corel Humble Bundle. It included Pinnacle Studio 23U. Together with 10 other apps, such as PaintShop Pro 2020 Ultimate and Painter 2019, the bundle went for an equally low price. More than 75,000 bundles were sold.  I joined this forum and last summer I upgraded to PS 24U at regular market price. ...

You're one positive and productive music producer! Thank you for sharing your creative endeavors. I might make use of it in a future project.  Holiday greetings to you as well!