If anyone is interested, here is the report from the browser console:
1754624451193 addons.xpi WARN Force scan SCOPE_PROFILE (app-system-addons location missing from XPIStates)
1754624451193 addons.xpi WARN Checking /usr/lib/firefox/distribution/extensions for addons
HTTPS-Only Mode: Not upgrading insecure request “http://detectportal.firefox.com/canonical.html” because it is exempt.
HTTPS-Only Mode: Not upgrading insecure request “http://detectportal.firefox.com/success.txt?ipv4” because it is exempt.
HTTPS-Only Mode: Not upgrading insecure request “http://detectportal.firefox.com/success.txt?ipv6” because it is exempt.
HTTPS-Only Mode: Not upgrading insecure request “http://detectportal.firefox.com/success.txt?ipv4” because it is exempt.
HTTPS-Only Mode: Not upgrading insecure request “http://detectportal.firefox.com/success.txt?ipv6” because it is exempt.
Key event not available on some keyboard layouts: key=“z” modifiers=“control,alt” id=“toggleSidebarKb” browser.xhtml
Key event not available on some keyboard layouts: key=“x” modifiers=“accel,alt” id=“viewGenaiChatSidebarKb” browser.xhtml
Key event not available on some keyboard layouts: key=“r” modifiers=“accel,alt” id=“key_toggleReaderMode” browser.xhtml
Key event not available on some keyboard layouts: key=“i” modifiers=“accel,alt,shift” id=“key_browserToolbox” browser.xhtml
NS_ERROR_NOT_AVAILABLE:
NS_ERROR_NOT_AVAILABLE:
NS_ERROR_NOT_AVAILABLE:
HTTPS-Only Mode: Not upgrading insecure request “http://detectportal.firefox.com/canonical.html” because it is exempt.
HTTPS-Only Mode: Not upgrading insecure request “http://detectportal.firefox.com/success.txt?ipv4” because it is exempt.
HTTPS-Only Mode: Not upgrading insecure request “http://detectportal.firefox.com/success.txt?ipv6” because it is exempt.
NS_ERROR_NOT_AVAILABLE:
Missing resource in locale en-CA: devtools/client/toolbox.ftl
Missing resource in locale en-GB: devtools/client/toolbox.ftl
HTTPS-Only Mode: Not upgrading insecure request “http://detectportal.firefox.com/success.txt?ipv4” because it is exempt.
HTTPS-Only Mode: Not upgrading insecure request “http://detectportal.firefox.com/success.txt?ipv6” because it is exempt.
HTTPS-Only Mode: Not upgrading insecure request “http://detectportal.firefox.com/canonical.html” because it is exempt.
6
HTTPS-Only Mode: Not upgrading insecure request “http://detectportal.firefox.com/success.txt?ipv4” because it is exempt.
HTTPS-Only Mode: Not upgrading insecure request “http://detectportal.firefox.com/success.txt?ipv6” because it is exempt.
HTTPS-Only Mode: Not upgrading insecure request “http://detectportal.firefox.com/success.txt?ipv4” because it is exempt.
HTTPS-Only Mode: Not upgrading insecure request “http://detectportal.firefox.com/success.txt?ipv6” because it is exempt.
HTTPS-Only Mode: Not upgrading insecure request “http://detectportal.firefox.com/success.txt?ipv4” because it is exempt.
HTTPS-Only Mode: Not upgrading insecure request “http://detectportal.firefox.com/success.txt?ipv6” because it is exempt.
HTTPS-Only Mode: Not upgrading insecure request “http://detectportal.firefox.com/canonical.html” because it is exempt.
HTTPS-Only Mode: Not upgrading insecure request “http://detectportal.firefox.com/success.txt?ipv4” because it is exempt.
HTTPS-Only Mode: Not upgrading insecure request “http://detectportal.firefox.com/success.txt?ipv6” because it is exempt.
HTTPS-Only Mode: Not upgrading insecure request “http://detectportal.firefox.com/success.txt?ipv4” because it is exempt.
HTTPS-Only Mode: Not upgrading insecure request “http://detectportal.firefox.com/success.txt?ipv6” because it is exempt.
HTTPS-Only Mode: Not upgrading insecure request “http://detectportal.firefox.com/success.txt?ipv4” because it is exempt.
HTTPS-Only Mode: Not upgrading insecure request “http://detectportal.firefox.com/success.txt?ipv6” because it is exempt.
HTTPS-Only Mode: Not upgrading insecure request “http://detectportal.firefox.com/success.txt?ipv4” because it is exempt.
HTTPS-Only Mode: Not upgrading insecure request “http://detectportal.firefox.com/success.txt?ipv6” because it is exempt.
HTTPS-Only Mode: Not upgrading insecure request “http://detectportal.firefox.com/canonical.html” because it is exempt.
5
Missing resource in locale en-CA: devtools/client/toolbox.ftl
Missing resource in locale en-GB: devtools/client/toolbox.ftl
Missing resource in locale en-CA: devtools/client/compatibility.ftl
Missing resource in locale en-GB: devtools/client/compatibility.ftl
HTTPS-Only Mode: Not upgrading insecure request “http://detectportal.firefox.com/success.txt?ipv4” because it is exempt.
HTTPS-Only Mode: Not upgrading insecure request “http://detectportal.firefox.com/success.txt?ipv6” because it is exempt.
HTTPS-Only Mode: Not upgrading insecure request “http://detectportal.firefox.com/canonical.html” because it is exempt.
3
HTTPS-Only Mode: Not upgrading insecure request “http://detectportal.firefox.com/success.txt?ipv4” because it is exempt.
HTTPS-Only Mode: Not upgrading insecure request “http://detectportal.firefox.com/success.txt?ipv6” because it is exempt.
HTTPS-Only Mode: Not upgrading insecure request “http://detectportal.firefox.com/canonical.html” because it is exempt.
2
HTTPS-Only Mode: Not upgrading insecure request “http://detectportal.firefox.com/success.txt?ipv4” because it is exempt.
HTTPS-Only Mode: Not upgrading insecure request “http://detectportal.firefox.com/success.txt?ipv6” because it is exempt.
HTTPS-Only Mode: Not upgrading insecure request “http://zerossl.ocsp.sectigo.com/” because it is exempt.
5
HTTPS-Only Mode: Not upgrading insecure request “http://detectportal.firefox.com/canonical.html” because it is exempt.
HTTPS-Only Mode: Not upgrading insecure request “http://detectportal.firefox.com/success.txt?ipv4” because it is exempt.
HTTPS-Only Mode: Not upgrading insecure request “http://detectportal.firefox.com/success.txt?ipv6” because it is exempt.
NS_ERROR_NOT_AVAILABLE:
Missing resource in locale en-CA: devtools/client/toolbox.ftl
Missing resource in locale en-GB: devtools/client/toolbox.ftl
Missing resource in locale en-CA: devtools/client/compatibility.ftl
Missing resource in locale en-GB: devtools/client/compatibility.ftl
HTTPS-Only Mode: Not upgrading insecure request “http://detectportal.firefox.com/canonical.html” because it is exempt.
HTTPS-Only Mode: Not upgrading insecure request “http://detectportal.firefox.com/success.txt?ipv4” because it is exempt.
HTTPS-Only Mode: Not upgrading insecure request “http://detectportal.firefox.com/success.txt?ipv6” because it is exempt.