For those with the Close Beta client, you need all the patches on this page.

patch_2.0.0.1777.en_2.0.0.1778.en.exe
patch_2.0.0.1778.en_2.0.0.1780.en.exe
patch_2.0.0.1780.en_2.0.0.1782.en.exe
patch_2.0.0.1782.en_2.0.0.1783.en.exe
patch_2.0.0.1783.en_2.0.0.1784.en.exe
patch_2.0.0.1784.en_2.0.0.1785.en.exe
patch_2.0.0.1785.en_2.0.0.1786.en.exe
patch_2.0.0.1786.en_2.0.0.1787.en.exe
patch_2.0.0.1787.en_2.0.0.1788.en.exe
patch_2.0.0.1788.en_2.0.0.1789.en.exe
patch_2.0.0.1789.en_2.0.0.1790.en.exe
patch_2.0.0.1790.en_2.0.0.1791.en.exe
patch_2.0.0.1791.en_2.0.0.1792.en.exe
patch_2.0.0.1792.en_2.0.0.1793.en.exe
patch_2.0.0.1793.en_2.0.0.1794.en.exe
patch_2.0.0.1794.en_2.0.0.1796.en.exe

For those with the Open Beta client, you need only the patches after this point.

patch_2.0.0.1796.en_2.0.0.1797.en.exe
patch_2.0.0.1797.en_2.0.0.1798.en.exe
patch_2.0.0.1798.en_2.0.0.1799.en.exe
patch_2.0.0.1799.en_2.0.0.1800.en.exe
patch_2.0.0.1800.en_2.0.0.1801.en.exe
patch_2.0.0.1801.en_2.0.0.1802.en.exe
patch_2.0.0.1802.en_2.0.0.1803.en.exe
patch_2.0.0.1803.en_2.0.0.1804.en.exe
patch_2.0.0.1804.en_2.0.0.1805.en.exe
patch_2.0.0.1805.en_2.0.0.1806.en.exe
patch_2.0.0.1806.en_2.0.0.1807.en.exe
patch_2.0.0.1807.en_2.0.0.1808.en.exe
patch_2.0.0.1808.en_2.0.0.1809.en.exe
patch_2.0.0.1809.en_2.0.0.1810.en.exe
patch_2.0.0.1810.en_2.0.0.1811.en.exe