If you want to use the insertBefore property, the other filters need to be registered. But that happens only after the corpus data has loaded.
In the previous frontend there was a callback you could register, but they were removed.
[x] As a stop-gap reintroduce these so old scripts don't suddenly break.
[ ] For the next major/vue 3 we should probably migrate to the system Jan has set up where everything is a callback.
If you want to use the
insertBeforeproperty, the other filters need to be registered. But that happens only after the corpus data has loaded. In the previous frontend there was a callback you could register, but they were removed.