Now that the bulk has completed here's the remainder of the list with
two more that may need fixing. 119 ports total contained a warning.
I did not build the chromium variants.

audio/deadbeef.log
ld: warning: ff_scalarproduct_and_madd_int16_sse2: missing endbr64

x11/afterstep.log
ld: warning: unw_getcontext: missing endbr64

===

Go (with NOBTCFI)

audio/ymuse.log
mail/aerc,notmuch.log
net/mautrix-whatsapp.log

Haskell (with NOBTCFI)

devel/happy.log

Kikad (with NOBTCFI warnings from embedded libcontext?)

cad/kicad.log 
ld.lld: warning: jump_fcontext: missing endbr64
ld.lld: warning: make_fcontext: missing endbr64

Luajit (with NOBTCFI)

editors/neovim.log
games/tome4,-data.log

Mono (with NOBTCFI)

lang/mono.log

Mozilla (with NOBTCFI)

mail/mozilla-thunderbird.log
www/firefox-esr.log
www/mozilla-firefox.log
www/seamonkey,,-main.log
www/tor-browser/browser.log

Ocaml (with NOBTCFI)

devel/coccinelle.log
devel/frama-c.log
devel/ocaml-graph.log
graphics/ocaml-cairo.log
lang/compcert.log
math/coq.log
x11/lablgtk3.log
net/unison,-gui.log
textproc/bibtex2html.log

Qt (with NOBTCFI)

x11/qt5/qtwebengine.log
x11/qt6/qtwebengine.log

sbcl (with NOBTCFI)

lang/sbcl.log