Bug 968709 - Allow system app to listen to bluetooth-pairing-request.
Bug 1014590 - Unxfail test_lockscreen_unlock_to_camera.py
Bug 1014761 - improved the way utility tray visibility works with the screen reader.
Bug 1014775 - adding aria-live to notification toasters so they are announced with the screen reader.
Bug 1014501 - [WebComponents] style import polyfill r=yor
Merge pull request #19614 from KevinGrandon/bug_1014501_component_import_polyfill_2

Bug 1014501 - [WebComponents] style import polyfill
Bug 1008020 - [Collections App] Initial prototype r=ran r=amirn
Bug 1008020 - [Collections App] Create Smart Collections [r=ranbena]
Bug 1008020 - [Collections App] deviceId from settings [r=ranbena]
Bug 1008020 - [Collections App] Disabling home button homescreen reaction when collection web activities are active r=kgrandon
Bug 1008020 - [Collections App] View Smart Collections [r=ranbena, kgrandon] contains:

 * view-collection activity handler
 * icon clipping
 * gaia-grid fixes
Bug 1008020 - [Collections App] Delete Collection [r=kgrandon]
Bug 1014501 - Follow-up, fix @import syntax error r=me
Bug 1000748 - remove multilocale-clean help in README since it was removed the makefile
Bug 987039 - apps/system/test/unit/bluetooth_transfer_test.js covers only 25% of the code. r=ianliu
Merge pull request #19623 from mnjul/bug_1000748_remove_multilocale_help_in_readme

Bug 1000748 - remove multilocale-clean help in README since it was removed the makefile [r=yuren]
Merge pull request #19184 from mnjul/bug_987039_bluetooth_xfer_unit_test_coverage

Bug 987039 - apps/system/test/unit/bluetooth_transfer_test.js covers only 25% of the code. r=ianliu
Revert "Bug 1010088 - Use STAGE_DIR consistently on build process" for build bustages

This reverts commit 9c4b99d180313c243b32849c632a1e597a56e16c.
Merge pull request #19622 from KevinGrandon/bug_1008020_collections

Bug 1008020 - [Vertical] Initial Smart Collections
Bug 1011469 - Intermittent in cost control tests, tapping Next button has no effect