If I buy a all digital console do I need to repurchase the games I own on disc?

Since it would be an all digital console, yes, you would need to purchase the games digitally in order to be able to play them. Your progress is separate from game data and you shouldn't lose any progress.

nope, this has always been this way, the disc is the licence, the disc has to be present for licence auth, if no disc then you need to own the digital licence therefore purchase a digital copy, it has been well known that the consoles with NO disc drives require digital games only, this was the same with Xbox one digital and Xbox series s, if you want to run a disc then you need the series x.

This is the same on all platforms too.

You could try selling the disc copy privately to make the money towards buying the digital version.

Eventually discs will be discontinued on future consoles and then only digital will be available.

I play PC I own a lot of disc games from decades ago, but I have repurchased all digital as PC is 99% digital only now.

Is this a game you only bought on disc? As you can't play disc games on an all digital console. You will need to buy a digital game version to play on the all digital console as it uses the disc to still confirm you own the game.

If you own them digitally, then you'll just redownload them. If you own them on disc you would have to repurchase them digitally in order to play them on the All Digital console.

Unfortunately with the disc-less console you would have to repurchase the games digitally if they are available. Otherwise, you would need the Series X in order to use the discs and not have to repurchase the games.