The missing staccato dot in FE, placed in A over the 1st quaver of the triplet, can be a result of Chopin's proofreading. The appearance of the dot in GE1 may be explained with the engraver's distraction, whereas a relevant correction was introduced in GE2 (→GE3→GE4→GE5).
Compare the passage in the sources »
category imprint: Differences between sources
issues: Inaccuracies in GE, GE revisions, Authentic corrections of FE
notation: Articulation, Accents, Hairpins