The absence of slurs in GE1 is undoubtedly an oversight of the engraver, rectified in GE2. The FE version also results most probably from the engraver's mistake. The slur omitted in FE was added in EE, perhaps at Chopin's request.
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category imprint: Differences between sources
issues: Errors in FE, Errors in GE, GE revisions, Authentic corrections of EE
notation: Slurs