The 8th calibrated data release by the Mer Analyst Notebook will include the remaining frames of the sol 536-541 panorama.
L2 raw 8-bit images have been used to
fill in the sol 541 missing data. All frames covering the horizon are present.
The next data release will also include the sol 583-856 and sol 620-622 panoramas shot from the summit of Husband Hill.
Raw versions of those here and calibrated versions on the Official NASA/JPL/CORNELL sites.