Was this Church-approved?
The "Diary of Sister Faustina" was approved under JPII, and at the time he had not even read it, according to a footnote in the text of that book.
There is still a lot of controversy surrounding her evidently.
Similarly, the "Akita" prophecies, obtained full approval from the Japanese bishop at the time. But forty years later, the situation vis-a-vis Church approval is still in limbo.
Mary of Agreda wrote "The Mystical City of God," which received the Imprimatur back in the late 19th century, I believe.
Luisa Piccarretta is called "A Servant of God" by the Vatican, as of 2006.
Jesus said that His sheep do not know the voice of strangers and do not follow them.
I have found that the character of Jesus, His manner of communicating, His simple love, as well as simple severity, can be found in written revelations which span the centuries.
However, there is a counterfeit voice, bordering on hysteria, self-pity, and grandiose language, which afflicts some of the most well-known 'classics' of Catholic piety.
Something else to consider is that sometimes these "seers" and "stigmatists" provide voluminous writings, which frankly would take a lifetime of study to analyze and digest.
I compare these phenomena with Our Lady's messages through St. Lucia and Melanie Calvet of La Salette, which have a poetic brevity and clarity, even if mystery remains.
Going through the above examples, in my opinion, both the true and the false are represented.
This may not be the proper era to view the official "Church" as the best guide in these matters.
God speed.