/home/dondi
➜  sudo apt update               
Get:1 https://pkgs.tailscale.com/stable/ubuntu plucky InRelease
Hit:2 https://dl.google.com/linux/chrome-stable/deb stable InRelease                                                                                                                                                 
Hit:3 https://packages.mozilla.org/apt mozilla InRelease                                                                                                                                                             
Hit:4 http://security.ubuntu.com/ubuntu questing-security InRelease                                                                                                                                                  
Hit:5 http://ar.archive.ubuntu.com/ubuntu questing InRelease                                                    
Get:6 https://apt.syncthing.net syncthing InRelease [24.2 kB]                             
Hit:7 https://ppa.launchpadcontent.net/linrunner/tlp/ubuntu questing InRelease                        
Hit:8 http://ar.archive.ubuntu.com/ubuntu questing-updates InRelease                                  
Hit:9 https://ppa.launchpadcontent.net/obsproject/obs-studio/ubuntu questing InRelease                
Hit:10 https://us-central1-apt.pkg.dev/projects/antigravity-auto-updater-dev antigravity-debian InRelease
Hit:11 http://ar.archive.ubuntu.com/ubuntu questing-backports InRelease         
Hit:12 https://ppa.launchpadcontent.net/qbittorrent-team/qbittorrent-stable/ubuntu questing InRelease
Hit:13 https://ppa.launchpadcontent.net/wireshark-dev/stable/ubuntu questing InRelease
Fetched 30.8 kB in 2s (14.1 kB/s)
3 packages can be upgraded. Run 'apt list --upgradable' to see them.

/home/dondi
➜  sudo apt upgrade              
Upgrading:                      
  syncthing

Not upgrading yet due to phasing:
  cloud-init  cloud-init-base

Summary:
  Upgrading: 1, Installing: 0, Removing: 0, Not Upgrading: 2
  Download size: 11.7 MB
  Space needed: 15.4 kB / 105 GB available

Continue? [Y/n]  
Ign:1 https://apt.syncthing.dev syncthing/stable-v2 amd64 syncthing amd64 2.0.16
Ign:1 https://apt.syncthing.dev syncthing/stable-v2 amd64 syncthing amd64 2.0.16
Ign:1 https://apt.syncthing.dev syncthing/stable-v2 amd64 syncthing amd64 2.0.16
Err:1 https://apt.syncthing.dev syncthing/stable-v2 amd64 syncthing amd64 2.0.16
  SSL connection failed: error:0A000086:SSL routines::certificate verify failed / Success [IP: 104.21.78.103 443]
Error: Failed to fetch https://apt.syncthing.dev/pool/syncthing_2.0.16_amd64.deb  SSL connection failed: error:0A000086:SSL routines::certificate verify failed / Success [IP: 104.21.78.103 443]
Error: Unable to fetch some archives, maybe run apt update or try with --fix-missing?