• Firefox 84.0.2 has a security fix.
  
  
• Firefox ESR 78.6.1 has the same security fix and
  "Fixed a crash during video playback on Apple Silicon devices (bug 1683579)".

• If you can't unlock settings in System Preferences
  

  "While using macOS Big Sur 11.1, your Mac with Apple T2 Security Chip has an issue that requires resetting the SMC. System Preferences should accept your password after you reset the SMC."

  A SMC reset was also reported to help with macOS 11.1 problems mounting external encrypted drives and with Touch ID problems some had after the Big Sur 11.1 update.
  (As noted before, the M1 Macs don't have the Apple T2 chip.)
  
  
• I saw a reply in Apple's Mac mini forum saying that the M1 had an Intel Thunderbolt chip, but Apple's M1 press release clearly notes "An Apple-designed Thunderbolt controller with support for USB 4, transfer speeds up to 40Gbps, and compatibility with more peripherals than ever."
  
  
• Apple services entertain, inform, and connect the world in unprecedented year (pr)
  
  
• Brother Printer Drivers 4.1.1 for macOS (apple page)
  - Just spotted this, but page is dated Dec. 19, 2020.
  
  
• How to Quickly Block an Email Address on Your Mac (sponsor blog)
  - You can also create Rules to delete or move mail to junk, trash, etc.
  
  
• Apple forum thread on Making a working M1 Mac External Boot Drive
  - Later posts include a list of verified working parts.
  (As noted before, some items that work with Intel-based Macs don't with a M1.)
  
  
• How to Use the Privacy Report in Safari 14 (sponsor blog)
  
  
• Tip for Printer Problems with M1 Chip Macs (run under Rosetta)
  - Also includes general printer problem tips like resetting the print system.
  
  
• Apple Loses Copyright Claims Against 'Virtual iPhone' Maker (bloomberg)
  
  
• The Top Mac Malware Types and Adware Tricks of 2020 (sponsor blog)

• How to charge your AirPods Max and learn about battery life
  
  
• If you can't update or restore your iPhone, iPad, or iPod touch
  
  
• How to get old versions of macOS
  
  
• (How to) Use the 23.7-inch LG UltraFine 4K Display with your Mac or iPad
  - See requirements.
  
  
• (How to) Use the LG UltraFine 5K Display with your Mac or iPad
  - See requirements.
  
  
• How to use AirPlay to stream audio
  
  
• About AirPrint
  - with list of compatible printers, servers and USB-only devices.

• Chrome 87.0.4280.141 Stable Channel Update (google)
  - includes 16 security fixes.
  
  
• The Top 14 Things People Really Want to Know About Thunderbolt (sponsor blog)
  
  
• 03.21.09 Firmware Update for 2020 LG CX/GX/WX OLED TVs
  - with info on changes and download pages. (Added to the FW Updates listing.)
  
  
• 05.30.02 Update for 2018 LG B8/C8/E8/W8 OLED TVs
  - Change notes say "Apple AirPlay/HomeKit available in selected countries".
  (Some owners have reported WiFi problems with this update.)
  
  
• OWC Thunderbolt 3 10GbE Ethernet Adapter Review (storagereview)
  
  
• Yamaha RIVAGE PM Editor V4.7.0 for Mac (macOS 10.15-10.13)
  - See system requirements down the page.
  
  
• Yamaha RIVAGE PM Firmware V4.70
  - Added a new plug-in "Bricasti Design Y7 Stereo Reverb Processor".
  - Improved Event List functionality so order of timecode events can be freely changed.
  
  
• Scans for Zyxel Backdoors are Commencing (isc.sans)
• Zyxel Security Advisory for Hardcoded Credential Vulnerability (zyxel)

December 21 to 25, 2020 News Archive
• Display Adapter to use 27in LED Cinema Display with M1 Mini.
• Mojave forum thread on Security Update 2020-007 NET::ERR_CERT_INVALID.
• Apple says a macOS update will fix Ultrawide displays missing resolutions w/M1.
• Apple's $549 AirPods Max Headphones Offer Big Sound and Bugs.
• FCPX Summit: Thunderbolt 4, macOS 11, Apple M1 Macs, & iPhone.
• Pixelmator Pro version 2.0.3 (Same change info as v2.0.2).
• SoftRAID Comes to the M1 Macs.
• Yamaha CL StageMix iOS app v8.5.1.
• Yamaha QL StageMix iOS app v8.5.1.
• Firefox 84.0.1 (bug fixes).
• OWC Mercury Elite Pro Dual Review.
• FW Update for Onkyo TX-RZ740, RZ840, NR797 A/V Receivers.
• Apple Support/How-To/Troubleshooting Article Updates.

For links to older news pages, see the Archives.