Ipswich has been very much 'on the up' for the past couple of decades, with 'day to day' retailers largely being replaced by high quality independent shops and loads of good restaurants and bars. Unsurprisingly, things have stalled a bit over the past couple of years but the town centre is still a far nicer place than it used to be.
Going in the opposite direction from where I live (but closer to me), Stowmarket looked as if was faltering for a while but during the past few years, even during Covid, lots of independent businesses have opened and the town is starting to thrive again.
The town where I actually live is more of a 'big village' really, with a population of around 5,000. We've seen some much-loved shops close over the past few years, such as a traditional hardware store where, if you so wanted, you could buy just a single plastic cable tie for a few pence, rather than having to buy a big pack for several pounds. However that's about to be replaced with a new convenience store, which will add to the choice of what's available locally for people who find it difficult to travel to the big supermarkets a few miles away. The (very upmarket) farm shop here goes from strength to strength, as does the restaurant that's associated with it and the independent traders on the same site. The town is becoming a Mecca for antiques hunters, with the antiques centre seeming to do well and lots of antiques and collectables shops along the High Street too.
Other towns in this part of Suffolk seem to be doing quite well too, including Hadleigh, Sudbury and Bury St Edmunds. Closer to the coast though, the less 'upmarket' towns don't seem to be faring too well. ('Posh' places on the coast, such as Aldeburgh and Southwold, are generally doing as well as ever). Felixstowe has plenty of empty shops and seems to be on the decline. Leiston was always a dump and it certainly hasn't improved. Saxmundham seems to have lost much of its charm. The worst hit of all though in the county seems to be Lowestoft. The main shopping centre was never anything special but it's now almost totally deserted. Even the majority of charity shops seem to have pulled out, along with Poundstretcher, McDonalds and many other well-known High Street names.