The partner of Westfield Bondi stabbing victim Ashlee Good has said he's been "overwhelmed" by support from within the community in the months after the tragedy.
Good, 38, was fatally wounded as she tried to save her nine-month-old baby girl from the attacker during the deadly rampage on April 13.
The attack left baby Harriet fighting for life in the intensive care unit and a fundraiser was launched for her future care.
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The GoFundMe appeal garnered more than $846,700 in donations in the months after the tragedy, with Good's partner Dan Flanagan, thanking the community and providing an update on their daughter today.
"The overwhelming support, kindness, and generosity we've received in the wake of our unimaginable loss has been beyond words," he wrote.
"There are so many people to thank for their support, strength and kindness over the past months – from emergency service workers to doctors, nurses, family, friends and kind strangers."
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Flanagan said while nothing will dull the pain of losing his partner, every message received in support provided him comfort.
He also paid his condolences to the other families, friends and communities dealing with their own loss and trauma from the tragedy.
"Our lives will never be the same, and I wish every one of you your own strength and hope you're getting the support required to navigate such incomprehensible and difficult times," Flanagan said.
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"The day our family of three became a family of two will never make sense to me, but countless people – including every single one of you who wrote messages and donated through this page – have shown me that while tragic things do unfortunately happen, there is more good in this world, than bad.
"While Harriet and I do our best to navigate our new world privately, I want to make one public promise to each of you: that the kindness and generosity you've shown us will never be forgotten."
Good was one of six people killed when 40-year-old Joel Cauchi rampaged through the shopping centre in Sydney's east.
She was walking through the centre with baby Harriet in a pram when Cauchi attacked the pair.
Good's family described her as "a beautiful mother, daughter, sister, partner, friend, all round outstanding human and so much more."