diff --git a/meson.build b/meson.build
index 9b54bc01..75676b45 100644
--- a/meson.build
+++ b/meson.build
@@ -6,7 +6,8 @@ project('irssi', 'c',
 ############################
 ############################
 
-glib_internal_version = 'glib-2.58.3' # keep this in sync with subprojects/glib.wrap
+glib_internal_version = 'glib-2.74.3' # keep this in sync with subprojects/glib.wrap
+glib_pcre2_internal_version = 'pcre2-10.40'
 cc = meson.get_compiler('c')
 rootinc = include_directories('.')
 dep = []
@@ -238,7 +239,7 @@ if not glib_dep.found()
   glib_internal_configure_t = custom_target('glib-internal-configure',
     command : [ meson_cmd, 'setup', '--prefix=/irssi-glib-internal',
       '--buildtype=' + get_option('buildtype'),
-      '-Dlibmount=false', '-Dselinux=false', '-Ddefault_library=static', '-Dinternal_pcre=true',
+      '-Dlibmount=disabled', '-Dselinux=disabled', '-Ddefault_library=static', '-Dforce_fallback_for=pcre2',
       glib_internal_configure_args,
       (meson.current_build_dir() / 'build-subprojects' / 'glib'),
       (meson.current_source_dir() / 'subprojects' / glib_internal_version) ],
@@ -247,6 +248,7 @@ if not glib_dep.found()
     depends : glib_internal_download_t,)
   glib_internal_build_t = custom_target('glib-internal-build',
     command : [ ninja, '-C', meson.current_build_dir() / 'build-subprojects' / 'glib',
+      'subprojects' / glib_pcre2_internal_version / 'libpcre2-8.a',
       'glib' / 'libglib-2.0.a',
       'gmodule' / 'libgmodule-2.0.a'],
     console : true,
@@ -260,7 +262,10 @@ if not glib_dep.found()
       '-isystem' + (meson.current_source_dir() / 'subprojects' / glib_internal_version),
       '-isystem' + (meson.current_build_dir() / 'build-subprojects' / 'glib' / 'glib'),
     ],
-    link_args : [ meson.current_build_dir() / 'build-subprojects' / 'glib' / 'glib' / 'libglib-2.0.a' ],
+    link_args : [
+      meson.current_build_dir() / 'build-subprojects' / 'glib' / 'subprojects' / glib_pcre2_internal_version / 'libpcre2-8.a',
+      meson.current_build_dir() / 'build-subprojects' / 'glib' / 'glib' / 'libglib-2.0.a',
+    ],
   )
   built_src += glib_internal_build_t
   libdl_dep = []
diff --git a/src/common.h b/src/common.h
index e51c24db..96886f6b 100644
--- a/src/common.h
+++ b/src/common.h
@@ -6,7 +6,7 @@
 #define IRSSI_GLOBAL_CONFIG "irssi.conf" /* config file name in /etc/ */
 #define IRSSI_HOME_CONFIG "config" /* config file name in ~/.irssi/ */
 
-#define IRSSI_ABI_VERSION 50
+#define IRSSI_ABI_VERSION 51
 
 #define DEFAULT_SERVER_ADD_PORT 6667
 #define DEFAULT_SERVER_ADD_TLS_PORT 6697
diff --git a/src/fe-common/core/fe-log.c b/src/fe-common/core/fe-log.c
index 984b3548..25dc025c 100644
--- a/src/fe-common/core/fe-log.c
+++ b/src/fe-common/core/fe-log.c
@@ -57,6 +57,7 @@ static int skip_next_printtext;
 static char *log_theme_name;
 
 static char **autolog_ignore_targets;
+static GTimeZone *utc;
 
 static char *log_colorizer_strip(const char *str)
 {
@@ -542,7 +543,7 @@ static void log_line(TEXT_DEST_REC *dest, const char *text)
 		char *val;
 		if ((val = g_hash_table_lookup(dest->meta, "time")) != NULL) {
 			GDateTime *time;
-			if ((time = g_date_time_new_from_iso8601(val, NULL)) != NULL) {
+			if ((time = g_date_time_new_from_iso8601(val, utc)) != NULL) {
 				t = g_date_time_to_unix(time);
 				g_date_time_unref(time);
 			}
@@ -744,6 +745,7 @@ void fe_log_init(void)
 {
 	autoremove_tag = g_timeout_add(60000, (GSourceFunc) sig_autoremove, NULL);
 	skip_next_printtext = FALSE;
+	utc = g_time_zone_new_utc();
 
 	settings_add_bool("log", "awaylog_colors", TRUE);
         settings_add_bool("log", "autolog", FALSE);
@@ -811,6 +813,7 @@ void fe_log_deinit(void)
 	if (autolog_ignore_targets != NULL)
 		g_strfreev(autolog_ignore_targets);
 
+	g_time_zone_unref(utc);
 	g_free_not_null(autolog_path);
 	g_free_not_null(log_theme_name);
 }
diff --git a/src/fe-text/textbuffer-formats.c b/src/fe-text/textbuffer-formats.c
index 50d6250a..1de8c120 100644
--- a/src/fe-text/textbuffer-formats.c
+++ b/src/fe-text/textbuffer-formats.c
@@ -18,6 +18,7 @@ TEXT_BUFFER_REC *color_buf;
 gboolean scrollback_format;
 gboolean show_server_time;
 int signal_gui_render_line_text;
+GTimeZone *utc;
 
 static void collector_free(GSList **collector)
 {
@@ -125,7 +126,7 @@ static LINE_INFO_META_REC *line_meta_create(GHashTable *meta_hash)
 	while (g_hash_table_iter_next(&iter, (gpointer *) &key, (gpointer *) &val)) {
 		if (g_strcmp0("time", key) == 0) {
 			GDateTime *time;
-			if ((time = g_date_time_new_from_iso8601(val, NULL)) != NULL) {
+			if ((time = g_date_time_new_from_iso8601(val, utc)) != NULL) {
 				meta->server_time = g_date_time_to_unix(time);
 				g_date_time_unref(time);
 			}
@@ -446,6 +447,7 @@ static void read_settings(void)
 void textbuffer_formats_init(void)
 {
 	signal_gui_render_line_text = signal_get_uniq_id("gui render line text");
+	utc = g_time_zone_new_utc();
 
 	settings_add_bool("lookandfeel", "scrollback_format", TRUE);
 	settings_add_bool("lookandfeel", "show_server_time", FALSE);
@@ -463,4 +465,6 @@ void textbuffer_formats_deinit(void)
 	signal_remove("print format", (SIGNAL_FUNC) sig_print_format);
 	signal_remove("print noformat", (SIGNAL_FUNC) sig_print_noformat);
 	signal_remove("gui print text finished", (SIGNAL_FUNC) sig_gui_print_text_finished);
+
+	g_time_zone_unref(utc);
 }
diff --git a/src/lib-config/iconfig.h b/src/lib-config/iconfig.h
index 92662d8d..bb1e7f47 100644
--- a/src/lib-config/iconfig.h
+++ b/src/lib-config/iconfig.h
@@ -62,6 +62,8 @@ struct _CONFIG_REC {
 	GIOChannel *handle;
 	int tmp_indent_level; /* indentation position */
 	int tmp_last_lf; /* last character was a line feed */
+
+	int list_of_lists : 1; /* list of lists allowed */
 };
 
 /* Open configuration. The file is created if it doesn't exist, unless
diff --git a/src/lib-config/parse.c b/src/lib-config/parse.c
index e4ff1abb..91a78781 100644
--- a/src/lib-config/parse.c
+++ b/src/lib-config/parse.c
@@ -170,8 +170,10 @@ static GTokenType config_parse_symbol(CONFIG_REC *rec, CONFIG_NODE *node)
 
 	case '{':
 		/* block */
-		if (key == NULL && node->type != NODE_TYPE_LIST)
+		if (key == NULL && node->type != NODE_TYPE_LIST) {
+			g_scanner_error(rec->scanner, "Missing key");
 			return G_TOKEN_ERROR;
+		}
 
 		newnode = config_node_section(rec, node, key, NODE_TYPE_BLOCK);
 		config_parse_loop(rec, newnode, (GTokenType) '}');
@@ -186,8 +188,11 @@ static GTokenType config_parse_symbol(CONFIG_REC *rec, CONFIG_NODE *node)
 
 	case '(':
 		/* list */
-		if (key == NULL)
+		if (key == NULL && !rec->list_of_lists) {
+			g_scanner_error(rec->scanner, "List of lists not allowed");
 			return G_TOKEN_ERROR;
+		}
+
 		newnode = config_node_section(rec, node, key, NODE_TYPE_LIST);
 		config_parse_loop(rec, newnode, (GTokenType) ')');
 		g_free_not_null(key);
diff --git a/subprojects/glib.wrap b/subprojects/glib.wrap
index 5cb40b0e..5e50e9a5 100644
--- a/subprojects/glib.wrap
+++ b/subprojects/glib.wrap
@@ -1,6 +1,6 @@
 [wrap-file]
 # make sure to update the glib_internal_version in meson.build
-directory = glib-2.58.3
-source_url = https://download.gnome.org/sources/glib/2.58/glib-2.58.3.tar.xz
-source_filename = glib-2.58.3.tar.xz
-source_hash = 8f43c31767e88a25da72b52a40f3301fefc49a665b56dc10ee7cc9565cbe7481
+directory = glib-2.74.3
+source_url = https://download.gnome.org/sources/glib/2.74/glib-2.74.3.tar.xz
+source_filename = glib-2.74.3.tar.xz
+source_hash = e9bc41ecd9690d9bc6a970cc7380119b828e5b6a4b16c393c638b3dc2b87cbcb