A long time ago (in the early 1990s), the Lollipop TeX format was developed (originally to typeset the excellent book TeX by topic). Several people admired the format, but no “critical mass” of users appeared, that could have prompted maintenance of the format.
More than 20 years later, a new maintainer appeared: he hopes to build Lollipop into an engine for rapid document style development. (In addition, he intends to add support for right-to-left languages such as his own — Persian.)
We can only hope that, this time, Lollipop will “catch on”!