Dating app Bumble has inverse its 'unmatch' feature afterwards a Hack and Four Corners investigation uncovered sexual predators are using it to erase bear witness and avoid accountability.

The unmatch office was created to give dating app users the power to delete people who they feel unsafe talking to and automatically deletes their chat history.

But the 4 Corners and Hack investigation found a pattern of sex activity offenders using the feature on Tinder to block their victims after a rape to delete any trace of their prior communication.

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A triple j Hack callout discovered the unmatch feature was besides being used by offenders on other popular dating apps like Hinge and Bumble.

"Bumble is changing how it's "unmatch" feature works in an effort to better prioritize user safety," a spokeswoman told Hack.

"This new change will hateful that Bumble users who take been unmatched with are now more than easily able to report users who may take acted inappropriately."

Bumble has said information technology's the first dating app to market with this update.

Instead of automatically erasing the chat history, if a Bumble user gets unmatched past a perpetrator, they at present have the option to recall the conversation.

"Every bit part of this new update, when one user unmatches with another, the friction match and chat will disappear for the person who does the unmatching," a Bumble spokeswoman said.

"For the person who has been unmatched with, the conversation only becomes greyed out in their Chat Screen."

Bumble's new feature also notifies users when they've been unmatched and gives them an option to report unsafe behaviour.

"If there were no issues with the conversation, the user who was unmatched can simply opt to delete the chat with the option to remove this particular conversation from their inbox," a spokeswoman said.

"Just if the user had been acting inappropriately in violation of Bumble'due south rules, the person who has been unmatched will now take the chance to report the other user more easily -- even though the user disappeared and can no longer be directly messaged.

"This modify preserves the conversation history so it can still exist escalated to review if necessary."

Bumble said the new feature is at present available to Australian users.

Young woman looking at camera against a background of Tinder profiles.

'A step in the correct management'

Dr Rosalie Gillett has researched women's safety on Tinder at the Queensland University of Applied science and told Hack that the motility is a "footstep in the right direction" for improving user safety.

"I remember that it's mayhap something that they should have done quite some time agone, but at least it shows us that they're listening to users' concerns, and that they're trying to brand the platform a better identify for users."

Along with improving the unmatch office, Dr Gillett said Bumble and other dating apps need to improve the dating culture on their platforms, and respond to complaints of sexual harassment or abuse more than adequately.

"They demand to exist enforcing their terms of service. And while it might be cracking that they have changed this unmatch feature, they so need to be responding to user reports."

Dr Michael Salter, the Scientia Associate Professor of Criminology at UNSW welcomed the change but said it was disappointing that the flawed unmatch office was able to exist on Bumble in the commencement identify.

"Information technology shouldn't be incumbent on users or the media to flag pattern flaws."

Dr Salter said more safety measures - like compulsory identity and historic period verification features - were needed across dating apps.

"Until there is that level of accountability, where all accounts are directly connected to a known user who's been able to substantiate their identity to a very high standard, nosotros are going to run into these platforms misused by offenders who are looking to harm others in a premeditated style."

Tinder'southward unmatch part remains unchanged

In October, NSW Police told Hack and Four Corners that they would prefer if dating apps didn't have systems allowing perpetrators to cake their victims.

Lucifer Group, Tinder'southward parent visitor, inverse a number of its safety policies following the Four Corners and triple j Hack investigation including updating its reporting functions.

The company did not say if it has overhauled Tinder'southward problematic unmatch function, despite the investigation revealing that predators are using the tool to erase bear witness and avoid accountability.

Match Group bodacious users that the company is able to retrieve letters if an abusive user unmatches their victim.

Bumble was started by one-time VP of marketing at Tinder, Whitney Wolfe Herd, after she filed a lawsuit confronting the company for sexual harassment. Information technology's one of the few major dating apps which isn't endemic by Match Group - the parent company of Tinder, Hinge, OkCupid, and Plenty of Fish among many others.

Bumble is one of Tinder's biggest rivals and reportedly generated $240 million in revenue last yr.

Watch Tinder: A predators' playground on iview here.

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