According to this official announcement, the Intellectual Property Office of Singapore (IPOS) launched its "Patents Open Dossier" (POD) on 24 July 2017. This new online service allows worldwide users to access IPOS' search reports, amendments, office actions and responses to written opinions for published patent applications filed on or after 14 February 2014. Furthermore, applications of interest can be viewed, monitored and managed. The Patents Open Dossier is available to the general public via IP2SG, the e-service portal of IPOS.
For more information, including a detailed guide on how to retrieve patent information via Patents Open Dossier, see Circular No. 5/2017 published on the IPOS website.