Changelog entry for time coalescing

2 files changed, 4 insertions, 0 deletions

diff --git a/changelog.md b/changelog.md
index 62a3413..a52fce3 100644
--- a/changelog.md
+++ b/changelog.md
@@ -17,6 +17,9 @@ _New features_
   - New option `--useManager` for `Weather` and `UVMeter` to decide whether to
     use one single manager per monitor for managing network connections or
     create a new one every time a connection is made.
+  - New more efficient time coalescing strategy for monitor updates,
+    available with the threaded runtime: use the `with_threaded` flag
+    to enable it (see #410; thanks to Tomáš Janoušek).
 
 ## Version 0.32 (December, 2019)
 
diff --git a/stack.yaml b/stack.yaml
index 4b6f805..8ca6492 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -7,6 +7,7 @@ packages:
 flags:
  xmobar:
    all_extensions: true
+   with_threaded: true
 
 extra-deps:
  - iwlib-0.1.0