Over 2.2 million Irish records were just posted on Ancestry, although dated 28 June.
|Ireland, Crew Lists and Shipping Agreements, 1863-1920||861,868|
|Ireland, Indexes to Wills, Probate Administration, Marriage Bonds and Licences, 1591-1866||836,216|
|Ireland, Census Fragments, 1821-1851||357,733|
|Ireland, National School Registers, 1847-1959||157,855|
|Ireland, Wills and Grants of Probate, 1858-1900||32,858|
|Ireland, Registers of Wills and Administrations, 1828-1885||15,671|
These are all sourced from the (Irish) National Archives; check out their genealogy resources at https://genealogy.nationalarchives.ie/.