Follow my generic release checklist, with the following notes:

• Automatic tests:
  • make -s clean check
• Announcements:
  • my blog, using tag btree
  • identi.ca, using hashtag #btree
  • update btree with latest release info
• Copy NEWS and README to liw.fi/btree.
• Push liw.fi changes to server.
• Update benchmarks page on liw.fi.