Its been 3 years. 

Forever in our hearts. 

❤❤❤❤❤ @ Singapore https://t.co/iX60CANbhh
<a href="http://instagram.com" rel="nofollow">Instagram</a>
Central Region
[{'url': 'https://t.co/iX60CANbhh', 'expanded_url': 'https://www.instagram.com/p/B871nbNh4Jt/?igshid=d8r4snxbh3ht', 'display_url': 'instagram.com/p/B871nbNh4Jt/…', 'indices': [63, 86]}]
MARINA CENTRE
['3', 'year', 'forever', 'heart', '❤', '❤', '❤', 'singapore', 'https://t.co/ix60canbhh']
[]
been forever hearts
3 years forever hearts singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This post does not relate to a maintenance report feedback for a public flat house."},
    ]

It seems that the Twitter post you provided does not mention anything related to maintenance report feedback for a public flat house in Singapore. The post simply expresses a sentiment of happiness and nostalgia with the phrase "3 years forever hearts singapore". Therefore, the answer is that the post does not relate to a maintenance report feedback for a public flat house.