According to BuzzFeed, this version of the report has been published as a response to separate lawsuits by BuzzFeed and by the Electronic Privacy and Information Center (EPIC), in which they have accused the US Department of Justice of violating the Freedom of Information Act.
While the new version of the report does not provide new information, it sheds light on why some information was initially withheld in April. Some pieces of information were withheld since they could "disclose techniques and procedures for law enforcement investigations or prosecutions," while some others were withheld over national security concerns.
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BuzzFeed said that the publication would provide it and EPIC with an opportunity to challenge the legitimacy of the redactions. The news website stressed that additional information should be disclosed, citing "overwhelming public interest."
On 18 April, the US Department of Justice released the redacted version of the report, which said that there was no collusion, but still accused Russia of attempting to interfere in the election. Meanwhile, Mueller described in his report 10 episodes that may constitute obstruction of justice by the US president.
Russia has repeatedly refuted allegations that it meddled in the US presidential election, as well as in any other foreign election.