@nimda thanks for that and for pointing out how the interface is supposed to look, the 3-dot-menu button doesnt show in my browser. i use tor in safest mode, with the NoScript addon placed back into the toolbar (the way Tor was for years before they changed it) so i can enable javascript on a per-site basis, rather than having an all-or-nothing (aka unweildy/impractical/CPU-draining approach) that Tor Browser devs have forced on users to make it basically unusable for the next generation of privacy seekers).. This means that svg do not show. but
i have recently shared an article on RSS buttons that also has a very intesting, if possibly a bit incomplete (i dont think it mentions unicode) about an SVG fallback system, and i think you might be interested in it. silverpill has seen it recently. btw you might be surprised on who gets a special mention in this article.
a few yeats ago i went through how a lot of these non-show issues can be fixed with @silverpill there are many unicode character that can be used as fallback where unicode chacters dont work a replacement png MAY, honestly i think for the sake of ease we should just try to only use unicode fallbacks even if they are not perfect replacments.
Broadly, there does need to be a focus on fixing how Safest Mode works, for privacy-seekers, i think that sttarts withhighlighting how default settings in Tor are designed to hurt the user, for whatever reason (my guess is to make Tor a niche, geek-only tool and move people over to the worse, Brave browser, remember Tor devs are paid big money by govt these days and have to do what they are told). For Tor (Safest Mode) to be useful NoScript needs to be in the toolbar. That is how to use Tor fullstop, if we recommend this at almost every opportunity, we can assume more people will have the same issues (broken svg) and have fixes in place for them.
There is no guarantee in the future that i will remember to look for an invisible button because i use tor the way it is most useful with NoScript.
I hope that this post highlights a way forward. It would be nice if ppl stopped assuming that ppl use Tor without the NoScript addon in the toolbar to reenable js. Again most veteran Tor users will do this. It is therefore on us to cater to this group, and if we support the use of Tor is becmes plainly obvoius that we need to GROW this group, because tor browser is among the only ways to safely interface with a Mitra social server, or any website that requires js.
(im using the Mitra interface atm because wizardbloat.i2p has been down for a while.)
EDIT fix missing word "recommend"