diff --git a/compositor/main.c b/compositor/main.c
index 28f13e0b..b3f6ba25 100644
--- a/compositor/main.c
+++ b/compositor/main.c
@@ -3187,7 +3187,7 @@ int main(int argc, char *argv[])
 	}
 
 	log_scope = weston_compositor_add_log_scope(log_ctx, "log",
-			"Weston and Wayland log\n", NULL, NULL);
+			"Weston and Wayland log\n", NULL, NULL, NULL);
 
 	weston_log_file_open(log);
 	weston_log_set_handler(vlog, vlog_continue);
@@ -3274,7 +3274,7 @@ int main(int argc, char *argv[])
 		weston_compositor_add_log_scope(log_ctx,
 						"proto",
 						"Wayland protocol dump for all clients.\n",
-						 NULL, NULL);
+						 NULL, NULL, NULL);
 
 	if (debug_protocol) {
 		protologger = wl_display_add_protocol_logger(display,
diff --git a/include/libweston/weston-log.h b/include/libweston/weston-log.h
index d12f2578..bda0b7d2 100644
--- a/include/libweston/weston-log.h
+++ b/include/libweston/weston-log.h
@@ -67,6 +67,7 @@ weston_compositor_add_log_scope(struct weston_log_context *compositor,
 				  const char *name,
 				  const char *description,
 				  weston_log_scope_cb new_subscription,
+				  weston_log_scope_cb destroy_subscription,
 				  void *user_data);
 
 void
diff --git a/libweston/backend-drm/drm.c b/libweston/backend-drm/drm.c
index b21a5ed7..de2d1f84 100644
--- a/libweston/backend-drm/drm.c
+++ b/libweston/backend-drm/drm.c
@@ -3408,7 +3408,7 @@ drm_backend_create(struct weston_compositor *compositor,
 	b->debug = weston_compositor_add_log_scope(compositor->weston_log_ctx,
 						   "drm-backend",
 						   "Debug messages from DRM/KMS backend\n",
-						    NULL, NULL);
+						    NULL, NULL, NULL);
 
 	compositor->backend = &b->base;
 
diff --git a/libweston/compositor.c b/libweston/compositor.c
index d20dfe7e..d06eccba 100644
--- a/libweston/compositor.c
+++ b/libweston/compositor.c
@@ -7309,7 +7309,7 @@ weston_compositor_create(struct wl_display *display,
 	ec->debug_scene =
 		weston_compositor_add_log_scope(ec->weston_log_ctx, "scene-graph",
 						"Scene graph details\n",
-						debug_scene_graph_cb,
+						debug_scene_graph_cb, NULL,
 						ec);
 
 	return ec;
diff --git a/libweston/content-protection.c b/libweston/content-protection.c
index 63aa7337..e958f895 100644
--- a/libweston/content-protection.c
+++ b/libweston/content-protection.c
@@ -343,6 +343,6 @@ weston_compositor_enable_content_protection(struct weston_compositor *compositor
 	cp->debug = weston_compositor_add_log_scope(compositor->weston_log_ctx,
 						    "content-protection-debug",
 						    "debug-logs for content-protection",
-						    NULL, NULL);
+						    NULL, NULL, NULL);
 	return 0;
 }
diff --git a/libweston/weston-log.c b/libweston/weston-log.c
index 877620dd..1021ebb2 100644
--- a/libweston/weston-log.c
+++ b/libweston/weston-log.c
@@ -82,6 +82,7 @@ struct weston_log_scope {
 	char *name;
 	char *desc;
 	weston_log_scope_cb new_subscription;
+	weston_log_scope_cb destroy_subscription;
 	void *user_data;
 	struct wl_list compositor_link;
 	struct wl_list subscription_list;  /**< weston_log_subscription::source_link */
@@ -260,6 +261,10 @@ void
 weston_log_subscription_destroy(struct weston_log_subscription *sub)
 {
 	assert(sub);
+
+	if (sub->source->destroy_subscription)
+		sub->source->destroy_subscription(sub, sub->source->user_data);
+
 	if (sub->owner)
 		wl_list_remove(&sub->owner_link);
 
@@ -518,6 +523,8 @@ weston_compositor_is_debug_protocol_enabled(struct weston_compositor *wc)
  * @param description The log scope description for humans; must not be NULL.
  * @param new_subscription Optional callback when a client subscribes to this
  * scope.
+ * @param destroy_subscription Optional callback when a client destroys the
+ * subscription.
  * @param user_data Optional user data pointer for the callback.
  * @returns A valid pointer on success, NULL on failure.
  *
@@ -561,6 +568,7 @@ weston_compositor_add_log_scope(struct weston_log_context *log_ctx,
 				const char *name,
 				const char *description,
 				weston_log_scope_cb new_subscription,
+				weston_log_scope_cb destroy_subscription,
 				void *user_data)
 {
 	struct weston_log_scope *scope;
@@ -593,6 +601,7 @@ weston_compositor_add_log_scope(struct weston_log_context *log_ctx,
 	scope->name = strdup(name);
 	scope->desc = strdup(description);
 	scope->new_subscription = new_subscription;
+	scope->destroy_subscription = destroy_subscription;
 	scope->user_data = user_data;
 	wl_list_init(&scope->subscription_list);
 
diff --git a/meson.build b/meson.build
index 6db63f64..3d5aa5fb 100644
--- a/meson.build
+++ b/meson.build
@@ -10,7 +10,7 @@ project('weston',
 	license: 'MIT/Expat',
 )
 
-libweston_major = 7
+libweston_major = 8
 
 # libweston_revision is manufactured to follow the autotools build's
 # library file naming, thanks to libtool
diff --git a/pipewire/pipewire-plugin.c b/pipewire/pipewire-plugin.c
index bd873caa..1eb5de57 100644
--- a/pipewire/pipewire-plugin.c
+++ b/pipewire/pipewire-plugin.c
@@ -819,7 +819,7 @@ weston_module_init(struct weston_compositor *compositor)
 			compositor->weston_log_ctx,
 			"pipewire",
 			"Debug messages from pipewire plugin\n",
-			NULL, NULL);
+			NULL, NULL, NULL);
 
 	pipewire->destroy_listener.notify = weston_pipewire_destroy;
 	wl_signal_add(&compositor->destroy_signal, &pipewire->destroy_listener);
diff --git a/xwayland/launcher.c b/xwayland/launcher.c
index 28383384..1d51ee8f 100644
--- a/xwayland/launcher.c
+++ b/xwayland/launcher.c
@@ -398,7 +398,7 @@ weston_module_init(struct weston_compositor *compositor)
 		weston_compositor_add_log_scope(wxs->compositor->weston_log_ctx,
 						"xwm-wm-x11",
 						"XWM's window management X11 events\n",
-						NULL, NULL);
+						NULL, NULL, NULL);
 
 	return 0;
 }