Index: gjs/Makefile
===================================================================
--- gjs/Makefile
+++ gjs/Makefile
@@ -2,8 +2,7 @@
 # $FreeBSD$
 
 PORTNAME=	gjs
-PORTVERSION=	1.52.4
-PORTREVISION=	4
+PORTVERSION=	1.66.0
 CATEGORIES=	lang gnome
 MASTER_SITES=	GNOME
 DIST_SUBDIR=	gnome3
@@ -16,17 +15,18 @@
 LICENSE_FILE_MPL11=	${WRKSRC}/COPYING
 LICENSE_FILE_LGPL20+ =	${WRKSRC}/COPYING.LGPL
 
-LIB_DEPENDS=	libmozjs-52.so:lang/spidermonkey52 \
+LIB_DEPENDS=	libmozjs-78.so:lang/spidermonkey78 \
 		libffi.so:devel/libffi
 
-USES=		compiler:c++11-lib gettext gmake gnome libtool \
-		localbase pathfix pkgconfig python:build readline tar:xz xorg
-USE_GNOME=	cairo gdkpixbuf2 gtk30 introspection
+USES=		compiler:c++17-lang gettext gmake gnome libtool \
+		localbase pathfix pkgconfig python:build readline tar:xz xorg meson
+USE_GNOME=	cairo gdkpixbuf2 gtk30 introspection glib20
 USE_XORG=	x11 xext
-GNU_CONFIGURE=	yes
-CONFIGURE_ARGS=	--with-pkgconfigdir=${PREFIX}/libdata/pkgconfig
-CONFIGURE_ARGS+=--disable-profiler
 USE_LDCONFIG=	yes
-INSTALL_TARGET=	install-strip
+
+MESON_ARGS=	-Dinstalled_tests=false
+
+CONFIGURE_ENV=	PYTHONDONTWRITEBYTECODE=1
+MAKE_ENV=	PYTHONDONTWRITEBYTECODE=1
 
 .include <bsd.port.mk>
Index: gjs/distinfo
===================================================================
--- gjs/distinfo
+++ gjs/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1539116944
-SHA256 (gnome3/gjs-1.52.4.tar.xz) = 9c160cf9383ca20fcba3b75154c9d19efae9decf63bec6164a81403092d3b4f7
-SIZE (gnome3/gjs-1.52.4.tar.xz) = 626960
+TIMESTAMP = 1600144389
+SHA256 (gnome3/gjs-1.66.0.tar.xz) = f30cf90e016db6c8fdd0059749559611760f0721f375b2b61e0b7239b43ab5f8
+SIZE (gnome3/gjs-1.66.0.tar.xz) = 439596
Index: gjs/files/patch-gjs_jsapi-class.h
===================================================================
--- /dev/null
+++ gjs/files/patch-gjs_jsapi-class.h
@@ -0,0 +1,16 @@
+--- gjs/jsapi-class.h.orig	2020-09-12 19:34:36 UTC
++++ gjs/jsapi-class.h
+@@ -77,11 +77,11 @@ bool gjs_define_property_dynamic(JSContext       *cx,
+  *                              do_base_typecheck and priv_from_js
+  */
+ #define GJS_DEFINE_PRIV_FROM_JS(type, klass)                                   \
+-    GJS_ALWAYS_INLINE [[nodiscard]] [[maybe_unused]] static inline bool        \
++    GJS_ALWAYS_INLINE static inline bool        \
+     do_base_typecheck(JSContext* cx, JS::HandleObject obj, bool throw_error) { \
+         return gjs_typecheck_instance(cx, obj, &klass, throw_error);           \
+     }                                                                          \
+-    GJS_ALWAYS_INLINE [[nodiscard]] static inline type* priv_from_js(          \
++    GJS_ALWAYS_INLINE static inline type* priv_from_js(          \
+         JSContext* cx, JS::HandleObject obj) {                                 \
+         return static_cast<type*>(                                             \
+             JS_GetInstancePrivate(cx, obj, &klass, nullptr));                  \
Index: gjs/files/patch-gjs_jsapi-util-args.h
===================================================================
--- /dev/null
+++ gjs/files/patch-gjs_jsapi-util-args.h
@@ -0,0 +1,11 @@
+--- gjs/jsapi-util-args.h.orig	2020-09-15 16:55:00 UTC
++++ gjs/jsapi-util-args.h
+@@ -43,7 +43,7 @@
+ #include "gjs/jsapi-util.h"
+ #include "gjs/macros.h"
+ 
+-GJS_ALWAYS_INLINE [[nodiscard]] static inline bool check_nullable(
++GJS_ALWAYS_INLINE static inline bool check_nullable(
+     const char*& fchar, const char*& fmt_string) {
+     if (*fchar != '?')
+         return false;
Index: gjs/pkg-plist
===================================================================
--- gjs/pkg-plist
+++ gjs/pkg-plist
@@ -2,10 +2,11 @@
 bin/gjs-console
 include/gjs-1.0/gjs/context.h
 include/gjs-1.0/gjs/coverage.h
+include/gjs-1.0/gjs/error-types.h
 include/gjs-1.0/gjs/gjs.h
 include/gjs-1.0/gjs/macros.h
+include/gjs-1.0/gjs/mem.h
 include/gjs-1.0/gjs/profiler.h
-include/gjs-1.0/util/error.h
 lib/gjs/girepository-1.0/GjsPrivate-1.0.typelib
 lib/libgjs.so
 lib/libgjs.so.0