And as of Oct. 2, the download page for Security Update 2020-005 (Mojave) is back online.
(I'm sure many are leery of trying it again. Check Apple's Mojave forum for feedback.)
 

• Added support for iMac (Retina 5K, 27-inch, 2020).
• Fixes and updates the to Battery Check test to address reported crashes.
• Fixed reported issues with eDrive during the Partitioning phase.
• Fixed reported TechTool Pro Daemon crash for Macs with NVMe hard drives.
• Fixed a reported eDrive and TechTool Protogo booting issue for macOS 10.14 Mojave users.
• Fixed eDrive to better handle CoreStorage volumes which are encrypted and/or case-sensitive.
• Fixed detection issue of certain FaceTime internal cameras for the Video tool.
• Added T2 controller chip detection notification into eDrive and TechTool Protogo.
• Updated TechTool Pro 12 PDF Manual for English, French, German and Japanese localization.
• Updated English, French, German, Italian, Japanese and Chinese (Simplified) localization.
• Updated databases for the Processor Check and Local Network tools.
• Updated location and machine identification strings for Check Computer.
• Other minor updates and enhancements.

• Google Chrome for iOS version 86.0.4240.65 (app store)
  - See linked page for details on new features.
  
  
• Apple Gives Tim Cook Up to a Million Shares That Vest Through 2025 (bloomberg)
  
  
• iOS Pixelmator version 2.6 (iOS 11.0 or later)
  - Now compatible with iOS/iPadOS 14. See linked page for fixes and improvements.
  
  
• Apple and Epic Games Want to Fight Antitrust Case Without a Jury (bloomberg)
  
  
• Apple Accused of Delaying Masimo Legal Fight to Gain Watch Sales (bloomberg)

• About the security content of macOS 10.14.6 Supplemental Update
  
  
• Apple's Vintage and obsolete products listing updated.
  
  
• Mac keyboard shortcuts
  
  
• How to Use Touch ID on your Mac

• Reviews of SanDisk 2TB Extreme Pro Portable SSD V2 and 1TB Extreme Portable SSD V2 (storagereview)
  
  
• SanDisk Extreme Portable SSD v2 & WD My Passport SSD (2020) Review (anandtech)
  
  
• Yamaha CP OS v1.4 for CP73 & CP88 Stage Pianos adds More Performance Options (pr)
  - Press release above has link to CP88/CP73 V1.40 Operating System Updater.
  
  
• Panasonic 4K/UHD Player Firmware Update 1.66, Tips & Tricks (UB420/UB820/UB9000)
  - Notes on Firmware 1.66 flashed in UB420, tips for updating, region bypass & more.