diff --git a/TODO.md b/TODO.md
index a7bf084..ac0acda 100644
--- a/TODO.md
+++ b/TODO.md
@@ -5,10 +5,12 @@
 * network
   * open socket with so_reuseport and nonblocking
   * handshake: deregister stream when applicable
+  * connection cleaning: shrink to fit
 * test
 * torrent state cleaning
 * config
 * limit number of info hashes allowed in scrape requests
+* cli, mimalloc
 
 ## aquatic
 * mio: set oneshot for epoll and kqueue? otherwise, stop reregistering?