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DICI for a subdued party in Écône -- it's just a "seminar" now:

Society of St. Pius X: 1988-2013, the 25th anniversary of the episcopal consecrations
21-06-2013
Filed under Upcoming events
On June 27, 2013 International Seminar of St. Pius X Écône (Switzerland) will celebrate the 25th anniversary of episcopal consecrations.
At 10 am the Pontifical Mass will be celebrated by Bishop Bernard Fellay, superior of the Society of St. Pius X.
At 4pm a play about the martyrdom of St. Thomas Becket will be given by the seminarians.
(Sources: FSSPX/MG – DICI no. 277, 21/06/13)
You can also read :
Twenty-Five Years Ago, in Ecône
No mention of any festivities. No lunch. No conference, no
gratuitous speeches by His Eagerness. Well, maybe for the
sermon -- when nobody is welcome to raise any questions.
And there are a LOT of questions. Like this one:
"Could you be so gracious, your eagerness, so as to provide
for us two or three specific examples of the kinds of things
you're talking about when you say, 'Internet rumours'?"