Has this been officially accepted by PortableApps.com yet? It seems to be listing the old text associated with Steve and not the new versions with alt.
New: streamWriter (Jun 28, 2024), Platform 29.5.3 (Jun 27, 2024)
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It unfortunately wasn't, for whatever reason (which I have no idea about, all our communications with John were stalling at one point or the other).
So these days the best way is to watch the GitHub repo (https://github.com/PortableApps/Toucan) and get releases (as well as report bugs) from there.