I upgraded “phoenix”, my PIII-450 desktop workstation, to Slackware 12.1 over the last weekend. My workstation had Slackware 12.0 running smoothly, and I did the upgrade using the procedure described in the Slackware documentation.
Thankfully, the upgrade went well, and now I have 12.1 running on phoenix. Overall it feels really good, and even faster. The only serious problem I’ve seen so far is that since Slackware 12.1 offered so much more libraries, my tiny hard disk is becoming low on free space. Oh well…