After I update my system do latest version start to give the error:
Uncaught (in promise) TypeError: Cannot read properties of undefined (reading 'length')
at CollectionFilter.defaultFilterBy (grid.umd.js:56121:27)
at CollectionFilter.filter (grid.umd.js:56201:17)
at grid.umd.js:56256:26
at me._filtersFunction [as _filterBy] (grid.umd.js:13292:20)
at CollectionFilter.filter (grid.umd.js:56201:17)
at grid.umd.js:56256:26
at Array.filter (<anonymous>)
at Collection.onFiltersChanged (grid.umd.js:55521:37)
at Collection.trigger (grid.umd.js:49485:25)
at Collection.splice (grid.umd.js:55223:10)
If open the source in the line showed, the value of _propertyItems is undefined, why, I don't know.
So, if you're using the Filter feature https://www.bryntum.com/docs/grid/api/Grid/feature/Filter you'll need to set it up at the features object level, in the example that you shared, you set up at the FilterBar configuration level. You should have something like this