It looks like Signal isn't as open source as you thought it was anymore

That the repo was still without current code, another month later, was certainly interesting & novel to lots of people - especially given the 3x upvotes compared to the older story!

But also: now that the linked page has been updated to reflect that Signal has pushed a newer version of source, it's fresh news again, under its current headline. (If it was, by chance, attention to this 'old news' that prompted Signal's update, that also suggests it was more than a simple 'dupe' in significance.)