#12975 Remove the contentmenu usage, from PresentationMode, since it's no longer working
#12972 [GENERIC viewer] Skip the iframe-case when checking if the container div, on BaseViewer-instances, is absolutely positioned (PR 12354 follow-up)
#12973 Use Math.hypot, instead of Math.sqrt with manual squaring
#12978 [api-minor] Rename -es5 to -legacy, to reduce confusion over what's actually supported (issue 12976)
#12948 XFA -- Add localset object
#12949 XFA -- Add other objects
#12982 Update the year in the license_header files
#12984 Replace a few new Date().getTime() instances with Date.now()
#12981 Collect the l10n error/warning message lookup, in web/app.js, in a new helper method
#12904 fix initial state of checkboxes in display layer
#12987 Restore window.alert after use in scripting test
#12986 Remove the unused "loading_error_indicator" l10n string (PR 2719 follow-up)
#12759 Annotation -- Don't compute appearance when nothing has changed
#12988 Remove unneeded instanceof MissingDataException checks
#12896 Modifiy the way to compute baseline to have a better match between canvas and text layer
#12992 Use a more compact format for the fallback EventBus-listeners in PDFViewerApplication_initializeJavaScript
#12991 Stop including unused/unnecessary code in the viewer, for MOZCENTRAL-builds
#12993 [api-minor] Change the dc:subject Metadata field to an Array
#12964 Avoid infinite loop when getting annotation field name
#12995 Stop showing the fallback bar for "errorFontMissing" errors (PR 11218 follow-up)
#12830 JS -- Fix doc.getField and add missing field methods
#12936 XFA - Add a lexer/parser for FormCalc language
#12998 Simplify the default value handling of renderInteractiveForms in the viewer components
#12999 [api-minor] Remove support for synchronous event dispatching in LoopbackPort
#12997 Move the Metadata parsing to the worker-thread
#12979 XFA - Add support for prototypes
#13001 Send the AnnotationStorage-data to the worker-thread as a Map

https://hg.mozilla.org/mozilla-central/rev/1043b1a3e17f