LOS ANGELES — Former Vice President Joe Biden Joe BidenBiden says voters should choose who nominates Supreme Court justice Trump, Biden will not shake hands at first debate due to COVID-19 Joe Biden should enact critical government reforms if he wins MORE will make public his presidential campaign’s top fundraisers, a senior campaign official said Thursday.

The official did not provide a timeline for the disclosure, but said that it would be “forthcoming.”

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“I can’t commit to a date right this second, but he will be releasing his bundlers,” the official told reporters at a briefing ahead of Thursday’s Democratic presidential primary debate in Los Angeles.

The disclosure comes as other Democratic hopefuls have opened up financial operations amid scrutiny from party activists and fellow candidates.

South Bend, Ind., Mayor Pete Buttigieg Pete ButtigiegBillionaire who donated to Trump in 2016 donates to Biden The Hill's Morning Report - Sponsored by Facebook - GOP closes ranks to fill SCOTUS vacancy by November Buttigieg stands in as Pence for Harris's debate practice MORE released a list of his top fundraisers — called bundlers — last week after facing pressure from Sen. Elizabeth Warren Elizabeth WarrenOvernight Defense: Appeals court revives House lawsuit against military funding for border wall | Dems push for limits on transferring military gear to police | Lawmakers ask for IG probe into Pentagon's use of COVID-19 funds On The Money: Half of states deplete funds for Trump's 0 unemployment expansion | EU appealing ruling in Apple tax case | House Democrats include more aid for airlines in coronavirus package Warren, Khanna request IG investigation into Pentagon's use of coronavirus funds MORE (D-Mass.).

That disclosure came amid a larger back-and-forth between Buttigieg and Warren over transparency, resulting in Buttigieg vowing to open up his private fundraisers to the press and Warren releasing a detailed financial summary of her earnings from her past legal consulting work.

Days later, Addisu Demissie, the campaign manager for Sen. Cory Booker Cory Anthony BookerSunday shows preview: Lawmakers prepare for SCOTUS confirmation hearings before election The movement to reform animal agriculture has reached a tipping point Watchdog confirms State Dept. canceled award for journalist who criticized Trump MORE (D-N.J.), said the campaign was open to allowing reporters to attend fundraisers.

While candidates like Warren and Sen. Bernie Sanders Bernie SandersTrump, Biden will not shake hands at first debate due to COVID-19 Sanders tells Maher 'there will be a number of plans' to remove Trump if he loses Sirota reacts to report of harassment, doxing by Harris supporters MORE (I-Vt.) have shunned traditional high-dollar fundraisers in their presidential bids, Biden has leaned on a network of wealthy donors and bundlers to power his campaign.