diff --git a/srcpkgs/firefox/patches/format_warning.patch b/srcpkgs/firefox/patches/format_warning.patch
new file mode 100644
index 0000000000..c2b4c6332a
--- /dev/null
+++ b/srcpkgs/firefox/patches/format_warning.patch
@@ -0,0 +1,23 @@
+Rust std::fmt::Display doesn't expect a C void*, change to print it in
+hexadecimal
+
+--- third_party/rust/audio_thread_priority/src/rt_linux.rs.orig	2019-10-22 12:20:33.250687971 +0700
++++ third_party/rust/audio_thread_priority/src/rt_linux.rs	2019-10-22 12:39:10.400928328 +0700
+@@ -100,7 +100,7 @@
+     let mut policy = 0;
+ 
+     if unsafe { libc::pthread_getschedparam(pthread_id, &mut policy, &mut param) } < 0 {
+-        error!("pthread_getschedparam error {}", pthread_id);
++        error!("pthread_getschedparam error {:?}", pthread_id);
+         return Err(());
+     }
+ 
+@@ -127,7 +127,7 @@
+     if unsafe { libc::pthread_setschedparam(rt_priority_handle.pthread_id,
+                                             rt_priority_handle.policy,
+                                             &rt_priority_handle.param) } < 0 {
+-        warn!("could not demote thread {}", rt_priority_handle.pthread_id);
++        warn!("could not demote thread {:?}", rt_priority_handle.pthread_id);
+         return Err(());
+     }
+     return Ok(());
diff --git a/srcpkgs/firefox/patches/initialize_sched_param.patch b/srcpkgs/firefox/patches/initialize_sched_param.patch
deleted file mode 100644
index ee593c3c21..0000000000
--- a/srcpkgs/firefox/patches/initialize_sched_param.patch
+++ /dev/null
@@ -1,22 +0,0 @@
-source: https://github.com/padenot/audio_thread_priority/commit/a1443a02667c649cb72873a45b98fffbd2eac5a8
-
-commit a1443a02667c649cb72873a45b98fffbd2eac5a8
-Author: Paul Adenot <paul@paul.cx>
-Date:   Mon Aug 19 15:00:39 2019 +0200
-
-    initialize sched_param using std::mem::zeroed to fix compilation against other libc than glibc
-
-diff --git a/src/rt_linux.rs b/src/rt_linux.rs
-index d8c0114..fbb4fde 100644
---- third_party/rust/audio_thread_priority/src/rt_linux.rs.orig	2019-09-03 22:57:00.197152845 +0200
-+++ third_party/rust/audio_thread_priority/src/rt_linux.rs	2019-09-03 23:05:42.219159018 +0200
-@@ -93,8 +93,8 @@ pub fn promote_current_thread_to_real_time_internal(audio_buffer_frames: u32,
- {
-     let thread_id = unsafe { libc::syscall(libc::SYS_gettid) };
-     let pthread_id = unsafe { libc::pthread_self() };
-+    let mut param = unsafe { std::mem::zeroed::<libc::sched_param>() };
-     let mut policy = 0;
--    let mut param = libc::sched_param { sched_priority: 0 };
- 
-     if unsafe { libc::pthread_getschedparam(pthread_id, &mut policy, &mut param) } < 0 {
-         error!("pthread_getschedparam error {}", pthread_id);
diff --git a/srcpkgs/firefox/patches/rust-configure.patch b/srcpkgs/firefox/patches/rust-configure.patch
index 84077f4fc8..887c102bc5 100644
--- a/srcpkgs/firefox/patches/rust-configure.patch
+++ b/srcpkgs/firefox/patches/rust-configure.patch
@@ -1,9 +1,9 @@
 Mozilla rustc check does not support crossbuild: let's remove it
 Remove calls to unwrap_rustup, they fail if rustup isn't present
 
---- build/moz.configure/rust.configure	2019-07-06 03:48:30.000000000 +0200
-+++ build/moz.configure/rust.configure	2019-07-09 22:35:23.326851798 +0200
-@@ -79,9 +79,6 @@
+--- build/moz.configure/rust.configure.orig	2019-10-17 04:19:59.000000000 +0700
++++ build/moz.configure/rust.configure	2019-10-22 11:48:55.616022140 +0700
+@@ -78,9 +78,6 @@
  
      return unwrap
  
@@ -13,7 +13,7 @@ Remove calls to unwrap_rustup, they fail if rustup isn't present
  
  set_config('CARGO', cargo)
  set_config('RUSTC', rustc)
-@@ -294,26 +291,6 @@
+@@ -348,26 +345,6 @@
  
              os.write(in_fd, source)
              os.close(in_fd)
@@ -33,7 +33,7 @@ Remove calls to unwrap_rustup, they fail if rustup isn't present
 -                a rust std library for that target installed. Try:
 -
 -                  rustup target add {}
--                '''.format(host_or_target.alias, rustc, rustc_target.alias)))
+-                '''.format(host_or_target.alias, rustc, rustc_target)))
 -            check_cmd_output(*cmd, onerror=failed)
 -            if not os.path.exists(out_path) or os.path.getsize(out_path) == 0:
 -                failed()
diff --git a/srcpkgs/firefox/template b/srcpkgs/firefox/template
index 4797caaff0..fecce28d99 100644
--- a/srcpkgs/firefox/template
+++ b/srcpkgs/firefox/template
@@ -3,15 +3,15 @@
 # THIS PKG MUST BE SYNCHRONIZED WITH "srcpkgs/firefox-i18n".
 #
 pkgname=firefox
-version=69.0.3
-revision=2
+version=70.0
+revision=1
 build_helper="rust"
 short_desc="Mozilla Firefox web browser"
 maintainer="Johannes <johannes.brechtmann@gmail.com>"
 license="MPL-2.0, GPL-2.0-or-later, LGPL-2.1-or-later"
 homepage="https://www.mozilla.org/firefox/"
 distfiles="${MOZILLA_SITE}/${pkgname}/releases/${version}/source/${pkgname}-${version}.source.tar.xz"
-checksum=7527947a876c1734b8b2339f19b8ff8da6f4e4d06351b44940cb48d3509bb891
+checksum=cd9f2902753831c07c4b2ee64f7826f33ca1123add6440dc34abe3ff173a0cc6
 
 lib32disabled=yes
 
@@ -25,7 +25,7 @@ makedepends="nss-devel libjpeg-turbo-devel gtk+-devel gtk+3-devel icu-devel
  $(vopt_if startup_notification startup-notification-devel)
  $(vopt_if xscreensaver libXScrnSaver-devel)
  $(vopt_if sndio sndio-devel)"
-depends="nss>=3.37.3 desktop-file-utils hicolor-icon-theme"
+depends="nss>=3.46.1 desktop-file-utils hicolor-icon-theme"
 conflicts="firefox-esr>=0"
 
 build_options="alsa dbus pulseaudio startup_notification xscreensaver sndio wayland"