As of my last knowledge update in October 2023, Alexei Navalny is alive and continues to be a prominent Russian opposition figure. He was imprisoned in a penal colony in Russia after being convicted on various charges widely considered to be politically motivated. The documentary "Navalny" focuses on his poisoning in August 2020 and his subsequent recovery, as well as his political activism against the Russian government. If there have been any developments regarding his status after October 2023, I would not be aware of them.

As of October 2023, Yulia Navalnaya continues to be an active political figure and advocate for democracy in Russia. Following her husband Alexei Navalny's poisoning and imprisonment, she has been vocal about human rights issues and has participated in various protests and campaigns for political freedom. Yulia also engages with international media and organizations to raise awareness about the situation in Russia and the plight of political prisoners. Her efforts aim to support democratic movements and challenge the Kremlin's actions.

In the documentary "Navalny," the primary figure opposing Vladimir Putin is Alexei Navalny, a prominent Russian opposition leader and anti-corruption activist. Navalny has been a vocal critic of Putin's government, advocating for political reforms and transparency. His efforts to expose corruption within the Kremlin have made him a significant figure in Russian politics. Other opposition figures include Mikhail Khodorkovsky and the late Boris Nemtsov, though many face severe repression, imprisonment, or exile under Putin's regime.

"Navalny" is a documentary that chronicles the life and political activism of Russian opposition leader Alexei Navalny. It follows his return to Russia after recovering from a poisoning attempt, widely believed to have been orchestrated by the Kremlin. The film captures his efforts to expose corruption within the Russian government, his arrest upon arrival, and the subsequent global outcry. Through interviews and real-time footage, it highlights his courage and the broader struggle for democracy in Russia, showcasing the risks faced by those who oppose authoritarianism.