diff --git a/CHANGELOG.md b/CHANGELOG.md
index 26252642..d9f78e14 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,10 @@
 # Changelog
 All notable changes to this project will be documented in this file.
 
+## ??? - Unreleased
+- Make imperative arithmetic macros variadic
+- `ev/connect` now yields to the event loop instead of blocking while waiting for an ACK.
+
 ## 1.28.0 - 2023-05-13
 - Various bug fixes
 - Make nested short-fn's behave a bit more predictably (it is still not recommended to nest short-fns).
diff --git a/src/boot/boot.janet b/src/boot/boot.janet
index 0ccda788..bdd80f54 100644
--- a/src/boot/boot.janet
+++ b/src/boot/boot.janet
@@ -147,11 +147,11 @@
 (defn dec "Returns x - 1." [x] (- x 1))
 (defmacro ++ "Increments the var x by 1." [x] ~(set ,x (,+ ,x ,1)))
 (defmacro -- "Decrements the var x by 1." [x] ~(set ,x (,- ,x ,1)))
-(defmacro += "Increments the var x by n." [x n] ~(set ,x (,+ ,x ,n)))
-(defmacro -= "Decrements the var x by n." [x n] ~(set ,x (,- ,x ,n)))
-(defmacro *= "Shorthand for (set x (\\* x n))." [x n] ~(set ,x (,* ,x ,n)))
-(defmacro /= "Shorthand for (set x (/ x n))." [x n] ~(set ,x (,/ ,x ,n)))
-(defmacro %= "Shorthand for (set x (% x n))." [x n] ~(set ,x (,% ,x ,n)))
+(defmacro += "Increments the var x by n." [x & ns] ~(set ,x (,+ ,x ,;ns)))
+(defmacro -= "Decrements the var x by n." [x & ns] ~(set ,x (,- ,x ,;ns)))
+(defmacro *= "Shorthand for (set x (\\* x n))." [x & ns] ~(set ,x (,* ,x ,;ns)))
+(defmacro /= "Shorthand for (set x (/ x n))." [x & ns] ~(set ,x (,/ ,x ,;ns)))
+(defmacro %= "Shorthand for (set x (% x n))." [x & ns] ~(set ,x (,% ,x ,;ns)))
 
 (defmacro assert
   "Throw an error if x is not truthy. Will not evaluate `err` if x is truthy."