Backport new version with security fixes to p8 branch.

New release (68.0.1).

New release (68.0).
Fixed:
2019-9811: Sandbox escape via installation of malicious language pack
2019-11711: Script injection within domain through inner window reuse
2019-11712: Cross-origin POST requests can be made with NPAPI plugins by following 308 redirects
2019-11713: Use-after-free with HTTP/2 cached stream
2019-11714: NeckoChild can trigger crash when accessed off of main thread
2019-11729: Empty or malformed p256-ECDH public keys may trigger a segmentation fault
2019-11715: HTML parsing error can contribute to content XSS
2019-11716: globalThis not enumerable until accessed
2019-11717: Caret character improperly escaped in origins
2019-11718: Activity Stream writes unsanitized content to innerHTML
2019-11719: Out-of-bounds read when importing curve25519 private key
2019-11720: Character encoding XSS vulnerability
2019-11721: Domain spoofing through unicode latin 'kra' character
2019-11730: Same-origin policy treats all files in a directory as having the same-origin
2019-11723: Cookie leakage during add-on fetching across private browsing boundaries
2019-11724: Retired site input.mozilla.org has remote troubleshooting permissions
2019-11725: Websocket resources bypass safebrowsing protections
2019-11727: PKCS#1 v1.5 signatures can be used for TLS 1.3
2019-11728: Port scanning through Alt-Svc header
2019-11710: Memory safety bugs fixed in Firefox 68
2019-11709: Memory safety bugs fixed in Firefox 68 and Firefox ESR 60.8

Added ppc64le support.

Added ppc64le support.
spec: cleaned up rpm-build internal macros.

New release (67.0.4).
Fixed:
2019-11708: sandbox escape using Prompt:Open

New release (67.0.3).
Fixed:
2019-11707: Type confusion in Array.pop

New release (67.0.2).
Fixed:
2019-11702: IE protocols can be used to open known local files

New release (67.0.1).

New release (67.0).
Fixed:
2019-9815: Disable hyperthreading on content JavaScript threads on macOS
2019-9816: Type confusion with object groups and UnboxedObjects
2019-9817: Stealing of cross-domain images using canvas
2019-9818: Use-after-free in crash generation server
2019-9819: Compartment mismatch with fetch API
2019-9820: Use-after-free of ChromeEventHandler by DocShell
2019-9821: Use-after-free in AssertWorkerThread
2019-11691: Use-after-free in XMLHttpRequest
2019-11692: Use-after-free removing listeners in the event listener manager
2019-11693: Buffer overflow in WebGL bufferdata on Linux
2019-7317: Use-after-free in png_image_free of libpng library
2019-11694: Uninitialized memory memory leakage in Windows sandbox
2019-11695: Custom cursor can render over user interface outside of web content
2019-11696: Java web start .JNLP files are not recognized as executable files for download prompts
2019-11697: Pressing key combinations can bypass installation prompt delays and install extensions
2019-11698: Theft of user history data through drag and drop of hyperlinks to and from bookmarks
2019-11700: res: protocol can be used to open known local files
2019-11699: Incorrect domain name highlighting during page navigation
2019-11701: webcal: protocol default handler loads vulnerable web page
2019-9814: Memory safety bugs fixed in Firefox 67
2019-9800: Memory safety bugs fixed in Firefox 67 and Firefox ESR 60.7

New release (66.0.5).

New release (66.0.3).

Incease minimum version of nspr, nss.
Improve firefox-wayland startup script.

New release (66.0.1).
Use cairo-gtk3-wayland toolkit.
Add firefox-wayland sub-package.
Fixed:
2019-9790: Use-after-free when removing in-use DOM elements
2019-9791: Type inference is incorrect for constructors entered through on-stack replacement with IonMonkey
2019-9792: IonMonkey leaks JS_OPTIMIZED_OUT magic value to script
2019-9793: Improper bounds checks when Spectre mitigations are disabled
2019-9794: Command line arguments not discarded during execution
2019-9795: Type-confusion in IonMonkey JIT compiler
2019-9796: Use-after-free with SMIL animation controller
2019-9797: Cross-origin theft of images with createImageBitmap
2019-9798: Library is loaded from world writable APITRACE_LIB location
2019-9799: Information disclosure via IPC channel messages
2019-9801: Windows programs that are not 'URL Handlers' are exposed to web content
2019-9802: Chrome process information leak
2019-9803: Upgrade-Insecure-Requests incorrectly enforced for same-origin navigation
2019-9804: Code execution through 'Copy as cURL' in Firefox Developer Tools on macOS
2019-9805: Potential use of uninitialized memory in Prio
2019-9806: Denial of service through successive FTP authorization prompts
2019-9807: Text sent through FTP connection can be incorporated into alert messages
2019-9809: Denial of service through FTP modal alert error messages
2019-9808: WebRTC permissions can display incorrect origin with data: and blob: URLs
2019-9789: Memory safety bugs fixed in Firefox 66
2019-9788: Memory safety bugs fixed in Firefox 66 and Firefox ESR 60.6
2019-9810: IonMonkey MArraySlice has incorrect alias information
2019-9813: Ionmonkey type confusion with __proto__ mutations

New release (65.0.2).
Use libvpx5.

New release (65.0.1).
Fixed:
2018-18356: Use-after-free in Skia
2019-5785: Integer overflow in Skia
2018-18511: Cross-origin theft of images with ImageBitmapRenderingContext