Pre-release Firefox 72.0 on FreeBSD-CURRENT.
With my default profile:
What type of extension, or preference, might cause this?
In Reddit, before I discovered that the issue is profile-specific:
Partial diagnosis – prevention of registration seems to occur with:
Posted to the developer’s forum:
No problem with NoScript 5.1.9 added to home-built Waterfox Classic 2019.12 (20200103060435).
Situations such as this are so much more complicated with Firefox Quantum than with Waterfox Classic.
Can anything like Extension Conflict Troubleshooter be used?
The registration issue has been explained and worked around:
Now I’d like to know what causes loss of registered service workers – what’s present before quit is no longer present when Firefox is next started.
A simple list (names only) of enabled extensions:
About Sync
Add-on List-o-matic 9000
AdIntuition
Always Right
Amazon.co.uk
Amazon.com
amo-info
append-to-clipboard
Behind The Overlay Revival
Better Twitter
Bing
Blacken
Bookmark Tab Here
Burro webcam barcode reader
Certainly Something (Certificate Viewer)
Chambers (UK)
Chrome Store Foxified
chrono
ClearURLs
Conex
Context Search
Cookie Quick Manager
Copy as Markdown
Custom UserAgent String
Diigo Web Collector - Capture and Annotate
Display #Anchors
DuckDuckGo
Duplicate Tabs Closer
eBay
Export Pocket to EPub
Extension source viewer
Facebook Container
Finitimus
Firefox Multi-Account Containers
Firefox Pioneer
Focus Popup
FoxyTab
GitHub Issue Link Status
github-tada
Go To Playing Tab
Google
Hide Promoted Tweets
HTTPZ
Ideal Size
jetzt
jump-to-anchor
LastPass: Free Password Manager
Load Time
Malwarebytes Browser Guard
Maximize All Windows
Minimap Scroller
MySessions
Newsit: Hacker News and Reddit Links
NoScript
Notes by Firefox
Official Media Bias Fact Check Icon
Open in Browser
Open link in new discarded tab
Open Tabs Next to Current
Outline sidebar
Plasma Integration
Pocket Sidebar
PopUp
Popup Tab
Qwant
Reddit Enhancement Suite
Refined GitHub
ReFont
Regex Search
Rename Tab Title
Rename Tab Title of Domain/URL
RSSPreview
S3.Translator
Saka
Save Page WE
Save To The Wayback Machine
save-as-pdf-from-context-menu
Scroll To Top Button
Service Worker Control
Service Worker Detector
Session Boss
Smart RSS
Sourcegraph
Stylus
SuperStop
Tab Manager Plus for Firefox
Tab Mover
Tab Sidebar
Tabs manager
Togglific
TraceGraph
Translator
Twitter
uBlock Origin
up-to-eleven
Version Icon
Vertical Tabs Reloaded
Visual Tabs
Want My RSS
Wayback Machine
Wayback++
Wikipedia (en)
Window Merger
Amongst those titles, does anyone recognise an extension that might cause the losses?