diff --git a/etc/EGLOT-NEWS b/etc/EGLOT-NEWS
index 6059131cf21..49dd32e51b2 100644
--- a/etc/EGLOT-NEWS
+++ b/etc/EGLOT-NEWS
@@ -17,6 +17,17 @@ This refers to https://github.com/joaotavora/eglot/issues/.  That is,
 to look up issue github#1234, go to
 https://github.com/joaotavora/eglot/issues/1234.
 
+
+* Changes to upcoming Eglot
+
+** 'eglot-advertise-cancellation' now defaults to t
+
+The variable 'eglot-advertise-cancellation' now defaults to t, which
+means Eglot will send '$/cancelRequest' notifications to servers when it
+thinks responses to inflight requests are no longer useful.  The current
+2026 LSP landscape (especially gopls and ocamllsp) suggests this is
+beneficial and helps servers avoid costly useless work.
+
 
 * Changes in Eglot 1.21 (11/1/2026)
 
diff --git a/lisp/progmodes/eglot.el b/lisp/progmodes/eglot.el
index 048dbca557a..fb48656ee05 100644
--- a/lisp/progmodes/eglot.el
+++ b/lisp/progmodes/eglot.el
@@ -583,7 +583,7 @@ under cursor."
           (const :tag "Call hierarchies" :callHierarchyProvider)
           (const :tag "On-demand \"pull\" diagnostics" :diagnosticProvider)))
 
-(defcustom eglot-advertise-cancellation nil
+(defcustom eglot-advertise-cancellation t
   "If non-nil, Eglot attempts to inform server of canceled requests.
 This is done by sending an additional '$/cancelRequest' notification
 every time Eglot decides to forget a request.  The effect of this