Among the material Manning leaked was a 2007 gunsight video of a U.S. Apache helicopter firing at suspected insurgents in Iraq, killing a dozen people, including two Reuters news staffers.
Manning was a 22-year-old junior intelligence officer at a forward operating base in Iraq when she was arrested on May 27, 2010, for illegally copying US military field reports from Iraq and Afghanistan, battlefield videos and diplomatic cables.
In one instance Manning was complaining about the conditions of pre-trial confinement, which were onerous in part because Manning was on suicide watch. An Army spokeswoman, Lt. Col. Jennifer Johnson, said Manning will be on "excess leave" - meaning she is considered to be off-duty - while her court-martial conviction is under appellate review.
Manning was convicted by court-martial in 2013 of espionage and other offenses for furnishing more than 700,000 documents, videos, diplomatic cables and battlefield accounts to WikiLeaks, an worldwide organization that publishes such information from anonymous sources, while she was an intelligence analyst in Iraq.
Hugs for Chelsea includes Nash's song "Almost Gone", which the folk-rock legend co-wrote with Crosby, Stills & Nash touring keyboardist James Raymond about Manning in 2011.
Amnesty International, which heavily campaigned to free Manning, hailed the release while also highlighting that an investigation should still take place.
While publicly the Obama State Department maintained that Manning had done "significant damage" to the country, privately the opposite was asserted.
Cars exit and enter US Army facility Fort Leavenworth in Leavenworth, Kansas, on May 17, 2017.
After basic training she was assigned to an intelligence unit and in 2009 was sent to Iraq, deploying to a base near Baghdad where she was given access to a broad set of United States intelligence on the military's classified computer network.
February 3, 2012: Military District of Washington commander Maj. If she loses, she could be dishonorably discharged.
Manning, who was known as Bradley Manning before transitioning, was convicted in 2013 of 20 counts, including six Espionage Act violations.
As for her crimes, Manning was an Army intelligence analyst who had success to sensitive classified information.
September 23, 2014: Manning sues in federal court in the District of Columbia, asking a judge to order the Defense Department to provide hormone therapy and other treatment for her gender identity condition. At the time, she was subject to the military's ban on openly gay troops, known as "Don't Ask, Don't Tell". At the same time, Manning was among the first members of the military to benefit from transgender health care under the new policy, and the first to get approval for gender reassignment surgery in military prison. She attempted to take her life twice and after a hunger strike in 2016, she received permission for a sex change operation.
Chelsea Manning's lawyer revealed shortly after Obama commuted her 35-year sentence earlier this year that the transgender army private was excited about walking free but "anxious", according to the BBC. Before he left office, President Obama shortened the sentence to about seven years.
Pulse Films announced the film at the Cannes Film Festival on Wednesday, the same day that Manning was released from Fort Leavenworth military prison in Kansas.