What are the recent visa entry changes for travelers arriving in Thailand, and what options are available for extensions?

Even though you have everything, but you just get married so the officer may ask you to wait for a fews months until you can process your visa.

I'm pretty sure I told you this on your previous post - every immigration office has different requirements. Go to your local office with your wife and ask them what they want. For example, you are listing bank statement and letter - my office wanted both of those but they also wanted a copy of my bank passbook (letter and statements dated on the day of application and passbook updated on the day of application). For the passbook update I simply topped up my mobile using the bank app shortly before I went to the bank to collect my letter and statements.

Any time you go to immigration, take your wife. She can learn what docs, etc are needed to apply for and/or renew the extension in the future. Makes things much easier for you.

Congrats mate, I was in your shoes 16 years ago, I think back then I was on ED, then I waited till that was almost due, then went out and came back in with 30 days and went to immigration with my Thai wife and got it done, but that was back in 2011, things must have changed since then.

You need pictures of you and her at your home. A map to your home. A bunch of ridiculous things. Though you will have to go apply outside of the country first. If you are over 50 it is easier to get retirement visa. It used to be much easier before 2019. They seem to keep adding to the requirements. I remember one time I was asked for another document. Went off and got it, the next day they said they did not need it. 🤣

Go to your immigration office and ask them, they will tell you everything you need to

Congratulations on your marriage! Be careful not to rush things, both bureaucratically and with relationships!

You need to go and speak to your immigration office. Most won't allow you to apply for a Non-O based on marriage until you've been married for 2 or even 3 months. If that's the case with your immigration office your going to have to leave Thailand and apply for the Non-O at a nearby consulate