I found this as a source: https://www.globalpropertyguide.com/Europe/Ireland/Home-Pric...

Adjusted for inflation it does look like it was down a bit during last year, but Q1 there seems to be a rise again. What's interesting is that it looks like the Dublin prices have seen a wild 10 years of volatility.

Nope, maybe a 2% drop in prices from the peak, rent still crazy expensive and not falling, once the government remove rent freezes, it will go up again. Anecdotally a few non Irish techies are leaving but it won't be enough to affect house prices and there are 10k people waiting to buy behind them.