diff --git a/include/sway/output.h b/include/sway/output.h
index 70f746dc4..8180ce3df 100644
--- a/include/sway/output.h
+++ b/include/sway/output.h
@@ -32,6 +32,10 @@ struct sway_output {
 	struct wl_list link;
 
 	pid_t bg_pid;
+
+	struct {
+		struct wl_signal destroy;
+	} events;
 };
 
 void output_damage_whole(struct sway_output *output);
diff --git a/include/sway/server.h b/include/sway/server.h
index 96cad69d0..b016aba81 100644
--- a/include/sway/server.h
+++ b/include/sway/server.h
@@ -44,6 +44,8 @@ struct sway_server {
 
 struct sway_server server;
 
+/* Prepares an unprivileged server_init by performing all privileged operations in advance */
+bool server_privileged_prepare(struct sway_server *server);
 bool server_init(struct sway_server *server);
 void server_fini(struct sway_server *server);
 void server_run(struct sway_server *server);
diff --git a/sway/commands/output/background.c b/sway/commands/output/background.c
index 0c5c164ff..55cbdff00 100644
--- a/sway/commands/output/background.c
+++ b/sway/commands/output/background.c
@@ -3,6 +3,7 @@
 #include <strings.h>
 #include <unistd.h>
 #include <wordexp.h>
+#include <errno.h>
 #include "sway/commands.h"
 #include "sway/config.h"
 #include "log.h"
@@ -61,40 +62,56 @@ struct cmd_results *output_cmd_background(int argc, char **argv) {
 		wordexp_t p;
 		char *src = join_args(argv, j);
 		if (wordexp(src, &p, 0) != 0 || p.we_wordv[0] == NULL) {
-			return cmd_results_new(CMD_INVALID, "output",
-				"Invalid syntax (%s).", src);
+			struct cmd_results *cmd_res = cmd_results_new(CMD_INVALID, "output",
+				"Invalid syntax (%s)", src);
+			free(src);
+			wordfree(&p);
+			return cmd_res;
 		}
 		free(src);
-		src = p.we_wordv[0];
-		if (config->reading && *src != '/') {
-			char *conf = strdup(config->current_config);
-			if (conf) {
-				char *conf_path = dirname(conf);
-				src = malloc(strlen(conf_path) + strlen(src) + 2);
-				if (src) {
-					sprintf(src, "%s/%s", conf_path, p.we_wordv[0]);
-				} else {
-					wlr_log(L_ERROR,
-						"Unable to allocate background source");
-				}
-				free(conf);
-			} else {
-				wlr_log(L_ERROR, "Unable to allocate background source");
-			}
-		}
-		if (!src || access(src, F_OK) == -1) {
-			wordfree(&p);
-			return cmd_results_new(CMD_INVALID, "output",
-				"Background file unreadable (%s).", src);
-		}
-
-		output->background = strdup(src);
-		output->background_option = strdup(mode);
-		if (src != p.we_wordv[0]) {
-			free(src);
-		}
+		src = strdup(p.we_wordv[0]);
 		wordfree(&p);
+		if (!src) {
+			wlr_log(L_ERROR, "Failed to duplicate string");
+			return cmd_results_new(CMD_FAILURE, "output",
+				"Unable to allocate resource");
+		}
 
+		if (config->reading && *src != '/') {
+			// src file is inside configuration dir
+
+			char *conf = strdup(config->current_config);
+			if(!conf) {
+				wlr_log(L_ERROR, "Failed to duplicate string");
+				return cmd_results_new(CMD_FAILURE, "output",
+						"Unable to allocate resources");
+			}
+
+			char *conf_path = dirname(conf);
+			char *rel_path = src;
+			src = malloc(strlen(conf_path) + strlen(src) + 2);
+			if (!src) {
+				free(rel_path);
+				free(conf);
+				wlr_log(L_ERROR, "Unable to allocate memory");
+				return cmd_results_new(CMD_FAILURE, "output",
+						"Unable to allocate resources");
+			}
+
+			sprintf(src, "%s/%s", conf_path, rel_path);
+			free(rel_path);
+			free(conf);
+		}
+
+		if (access(src, F_OK) == -1) {
+			struct cmd_results *cmd_res = cmd_results_new(CMD_FAILURE, "output",
+				"Unable to access background file '%s': %s", src, strerror(errno));
+			free(src);
+			return cmd_res;
+		}
+
+		output->background = src;
+		output->background_option = strdup(mode);
 		argc -= j + 1; argv += j + 1;
 	}
 
diff --git a/sway/desktop/layer_shell.c b/sway/desktop/layer_shell.c
index 3accdefb0..b57d1ee68 100644
--- a/sway/desktop/layer_shell.c
+++ b/sway/desktop/layer_shell.c
@@ -219,6 +219,8 @@ static void handle_output_destroy(struct wl_listener *listener, void *data) {
 	struct sway_layer_surface *sway_layer =
 		wl_container_of(listener, sway_layer, output_destroy);
 	wl_list_remove(&sway_layer->output_destroy.link);
+	wl_list_remove(&sway_layer->link);
+	wl_list_init(&sway_layer->link);
 	sway_layer->layer_surface->output = NULL;
 	wlr_layer_surface_close(sway_layer->layer_surface);
 }
@@ -350,10 +352,6 @@ void handle_layer_shell_surface(struct wl_listener *listener, void *data) {
 	wl_signal_add(&layer_surface->surface->events.commit,
 		&sway_layer->surface_commit);
 
-	sway_layer->output_destroy.notify = handle_output_destroy;
-	wl_signal_add(&layer_surface->output->events.destroy,
-		&sway_layer->output_destroy);
-
 	sway_layer->destroy.notify = handle_destroy;
 	wl_signal_add(&layer_surface->events.destroy, &sway_layer->destroy);
 	sway_layer->map.notify = handle_map;
@@ -366,6 +364,9 @@ void handle_layer_shell_surface(struct wl_listener *listener, void *data) {
 	layer_surface->data = sway_layer;
 
 	struct sway_output *output = layer_surface->output->data;
+	sway_layer->output_destroy.notify = handle_output_destroy;
+	wl_signal_add(&output->events.destroy, &sway_layer->output_destroy);
+
 	wl_list_insert(&output->layers[layer_surface->layer], &sway_layer->link);
 
 	// Temporarily set the layer's current state to client_pending
diff --git a/sway/desktop/output.c b/sway/desktop/output.c
index d4115be87..f0f1603a9 100644
--- a/sway/desktop/output.c
+++ b/sway/desktop/output.c
@@ -1199,6 +1199,8 @@ static void damage_handle_destroy(struct wl_listener *listener, void *data) {
 
 static void handle_destroy(struct wl_listener *listener, void *data) {
 	struct sway_output *output = wl_container_of(listener, output, destroy);
+	wl_signal_emit(&output->events.destroy, output);
+
 	if (output->swayc) {
 		container_destroy(output->swayc);
 	}
@@ -1277,6 +1279,7 @@ void output_enable(struct sway_output *output) {
 	for (size_t i = 0; i < len; ++i) {
 		wl_list_init(&output->layers[i]);
 	}
+	wl_signal_init(&output->events.destroy);
 
 	input_manager_configure_xcursor(input_manager);
 
diff --git a/sway/desktop/xdg_shell.c b/sway/desktop/xdg_shell.c
index d2b8822ce..8457c06bc 100644
--- a/sway/desktop/xdg_shell.c
+++ b/sway/desktop/xdg_shell.c
@@ -120,11 +120,12 @@ static void set_fullscreen(struct sway_view *view, bool fullscreen) {
 }
 
 static bool wants_floating(struct sway_view *view) {
-	struct wlr_xdg_toplevel_state *state =
-		&view->wlr_xdg_surface->toplevel->current;
-	return state->min_width != 0 && state->min_height != 0
+	struct wlr_xdg_toplevel *toplevel = view->wlr_xdg_surface->toplevel;
+	struct wlr_xdg_toplevel_state *state = &toplevel->current;
+	return (state->min_width != 0 && state->min_height != 0
 		&& state->min_width == state->max_width
-		&& state->min_height == state->max_height;
+		&& state->min_height == state->max_height)
+		|| toplevel->parent;
 }
 
 static void for_each_surface(struct sway_view *view,
diff --git a/sway/desktop/xdg_shell_v6.c b/sway/desktop/xdg_shell_v6.c
index 6ffe334a7..eb1cef265 100644
--- a/sway/desktop/xdg_shell_v6.c
+++ b/sway/desktop/xdg_shell_v6.c
@@ -119,11 +119,13 @@ static void set_fullscreen(struct sway_view *view, bool fullscreen) {
 }
 
 static bool wants_floating(struct sway_view *view) {
-	struct wlr_xdg_toplevel_v6_state *state =
-		&view->wlr_xdg_surface_v6->toplevel->current;
-	return state->min_width != 0 && state->min_height != 0
+	struct wlr_xdg_toplevel_v6 *toplevel =
+		view->wlr_xdg_surface_v6->toplevel;
+	struct wlr_xdg_toplevel_v6_state *state = &toplevel->current;
+	return (state->min_width != 0 && state->min_height != 0
 		&& state->min_width == state->max_width
-		&& state->min_height == state->max_height;
+		&& state->min_height == state->max_height)
+		|| toplevel->parent;
 }
 
 static void for_each_surface(struct sway_view *view,
diff --git a/sway/input/cursor.c b/sway/input/cursor.c
index 37a877568..944e35aac 100644
--- a/sway/input/cursor.c
+++ b/sway/input/cursor.c
@@ -174,10 +174,13 @@ void cursor_send_pointer_motion(struct sway_cursor *cursor, uint32_t time_msec,
 				seat_set_focus_warp(seat, c, false);
 			}
 		} else if (c->type == C_VIEW) {
-			// Focus c if both of the following are true:
+			// Focus c if the following are true:
 			// - cursor is over a new view, i.e. entered a new window; and
-			// - the new view is visible, i.e. not hidden in a stack or tab.
-			if (c != prev_c && view_is_visible(c->sway_view)) {
+			// - the new view is visible, i.e. not hidden in a stack or tab; and
+			// - the seat does not have a keyboard grab
+			if (!wlr_seat_keyboard_has_grab(cursor->seat->wlr_seat) &&
+					c != prev_c &&
+					view_is_visible(c->sway_view)) {
 				seat_set_focus_warp(seat, c, false);
 			} else {
 				struct sway_container *next_focus =
diff --git a/sway/main.c b/sway/main.c
index a7e808ad5..a325dc3ad 100644
--- a/sway/main.c
+++ b/sway/main.c
@@ -359,6 +359,11 @@ int main(int argc, char **argv) {
 
 	executable_sanity_check();
 	bool suid = false;
+
+	if (!server_privileged_prepare(&server)) {
+		return 1;
+	}
+
 #ifdef __linux__
 	if (getuid() != geteuid() || getgid() != getegid()) {
 		// Retain capabilities after setuid()
diff --git a/sway/server.c b/sway/server.c
index 878b530d2..5b0524948 100644
--- a/sway/server.c
+++ b/sway/server.c
@@ -11,6 +11,7 @@
 #include <wlr/types/wlr_idle.h>
 #include <wlr/types/wlr_layer_shell.h>
 #include <wlr/types/wlr_linux_dmabuf.h>
+#include <wlr/types/wlr_export_dmabuf_v1.h>
 #include <wlr/types/wlr_primary_selection.h>
 #include <wlr/types/wlr_screenshooter.h>
 #include <wlr/types/wlr_server_decoration.h>
@@ -24,9 +25,8 @@
 #include "sway/tree/layout.h"
 #include "sway/xwayland.h"
 
-bool server_init(struct sway_server *server) {
-	wlr_log(L_DEBUG, "Initializing Wayland server");
-
+bool server_privileged_prepare(struct sway_server *server) {
+	wlr_log(L_DEBUG, "Preparing Wayland server initialization");
 	server->wl_display = wl_display_create();
 	server->wl_event_loop = wl_display_get_event_loop(server->wl_display);
 	server->backend = wlr_backend_autocreate(server->wl_display, NULL);
@@ -35,6 +35,12 @@ bool server_init(struct sway_server *server) {
 		wlr_log(L_ERROR, "Unable to create backend");
 		return false;
 	}
+	return true;
+}
+
+bool server_init(struct sway_server *server) {
+	wlr_log(L_DEBUG, "Initializing Wayland server");
+
 	struct wlr_renderer *renderer = wlr_backend_get_renderer(server->backend);
 	assert(renderer);
 
@@ -99,6 +105,7 @@ bool server_init(struct sway_server *server) {
 		deco_manager, WLR_SERVER_DECORATION_MANAGER_MODE_SERVER);
 
 	wlr_linux_dmabuf_create(server->wl_display, renderer);
+	wlr_export_dmabuf_manager_v1_create(server->wl_display);
 
 	server->socket = wl_display_add_socket_auto(server->wl_display);
 	if (!server->socket) {