Yeah cool temps and good airflow.Ive had to move these and similar species into there own terrarium because they dont tolerate wet leaves for very long unlike some of the other lepanthes.
Yes I do I also have lepanthes
erepsis
hippocrepica
micropetala
microptera
pilosella
platysepala
all of which imo are harder to care for because of there lack of forgiveness on our part.But I love the challenge and yes those are buds that will open up more.
One thing to consider this plant is almost a foot long and still growing so keep that in mind the leaves and flowers are small but the plant as a whole is rather large.