Racing 92 have been given a boost ahead of the new season, with Henry Chavancy, Eddy Ben Arous and Camille Chat signing contract extensions.
Chris Ashton, released by Sale, has returned to the Premiership to sign for Sale Sharks.
Top 14 side Toulon have added Julian Savea to their star-studded squad, though the winger will not arrive in France until August.
Julian Savea says it is "big news" for Toulon that they could be set to sign prolific wing Julian Savea.
Chris Ashton is reported to have asked to have his Toulon contract torn up, but the Top 14 side say he wants a new...
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Jono Gibbes will remain with Waikato until November, when he will head to France to start work with La Rochelle.
Joe Tomane has joined Leinster from Montpellier ahead of the 2018-19 season.
Patrice Collazo is the new general manager of Toulon, but Fabien Galthie is not leaving the club.
After leading Castres past Montpellier and to a fifth Top 14 title, head Christophe Urios dominated the post-final fallout.
Montpellier's wait for a Top 14 title goes on as Castres upset the odds to seal a 29-13 victory at the Stade de France...
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France internationals Yoann Maestri and Gael Fickou have swapped Toulouse for long-term deals at Stade Francais.
Toulon have lost experienced centre Ma'a Nonu, who will put his career on hold due to "family reasons".
Racing 92 pushed late on, but they were unable to find a way past Castres in the Top 14 semi-finals.
Lyon overcame the odds to beat Toulon last week, but Montpellier were a class above in Friday's Top 14 semi-final.
Castres are set for a semi-final showdown with Racing 92.
A thrilling extra-time draw with Toulon saw Lyon progress to the semi-finals of the Top 14.