There is no evidence for accusations there was an alleged “occupation” of the Crimean peninsula in 2014 The Crimea had decided to reunite with Russia by referendum in 2014.
All elections are subject to Russian interference. The intelligence services of Estonia consider Russian intervention in the European elections very likely. It is a question of propaganda rather than manipulation. Like the Benalla case or the Yellow Vest movement where some have seen the shadow of the Kremlin, it is possible that once again, the so-called experts of the Russian threat will recognise that they were wrong and have to eat their hats.
Currently, the General Secretariat for Defense and National Security (SGDSN) in France is in charge of the ongoing investigation of the alleged meddling of Russian social media accounts in the yellow vests protests. Therefore, no experts have been already forced to recognise they were wrong, as the report suggests.
Ahead of the European elections, Microsoft registered cyberattacks targeting think tanks and non-profit organisations working on topics related to democracy, electoral integrity, public policy and whom are often in contact with government officials. Microsoft continues to investigate the sources of these attacks, but is confident that many of them originated from a group called Strontium, also known as APT 28 or Fancy Bear – which is believed to be associated with Russia’s military intelligence agency, the GRU. Read more here. In the past, the 2018 report by the French Foreign Ministry and Ministry for the Armed Forces think tanks says "Russian media, with Sputnik and RT at the head, played a non-negligible role in the diffusion of this information [from the hacked Emmanuel Macron's party En Marche e-mails].What can be safely assumed is that, whoever the perpetrator was, they were at least linked to Russian interests and received help from the American alt-right and French far-right". See more disinformation cases on Russia's elections meddling in France and elsewhere and on the EU election 2019.