Comparing source/firefox with target/firefox...
Difference found in update-settings.ini
Transforms removed all differences
Difference found in defaults/pref/channel-prefs.js
defaults/pref/channel-prefs.js still differs after transforms, residual diff:
@@ -1,9 +1,5 @@
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-// This pref is in its own file for complex reasons. See the comment in
-// browser/app/Makefile.in, bug 756325, and bug 1431342 for details. Do not add
-// other prefs to this file.
TEST-UNEXPECTED-FAIL: differences found after update
TEST-UNEXPECTED-FAIL: [70.0 cak complete] check_updates returned failure for Linux_x86_64-gcc3 downloads/firefox-70.0b14.tar.bz2 vs. downloads/firefox-70.0.tar.bz2: 1
The fix in bug 1577634 might be backfiring. It was designed to handle updating to a beta which has the comments in channel-prefs.js, by removing them from the target side. Now that we are doing 70.0b14 -> 70.0 RC build the comments are present on both sides so there is no diff but we appear to create one. But I don't understand why we didn't hit this for a 70.0b13 -> 70.0b14 update.