Select: 
Category
All
Graphic ambiguousness
Interpretations within context
Differences between sources
Editorial revisions
Corrections & alterations
Source & stylistic information
Notation
All
Pitch
Rhythm
Slurs
Articulation, Accents, Hairpins
Verbal indications
Pedalling
Fingering
Ornaments
Shorthand & other
Importance
All
Important
Main


b. 20

composition: Op. 10 No 11, Etude in E♭ major

..

The cautionary natural before d2 is present in all sources. In turn, the relevant sign in the L.H. was added only in GE2 (→GE3GE4) and EE4.

category imprint: Differences between sources

issues: EE revisions , GE revisions , Cautionary accidentals

b. 21

composition: Op. 10 No 11, Etude in E♭ major

..

The cautionary flat before d in the 5th chord is included in all sources. In turn, a relevant accidental in the R.H. was added only in GE2 (→GE3GE4) and EE4.

category imprint: Differences between sources

issues: EE revisions , GE revisions , Cautionary accidentals

b. 21-22

composition: Op. 10 No 11, Etude in E♭ major

 in A

FE (→EE)

GE2 (→GE3GE4)

..

In the main text we reproduce the range of the  hairpins in these bars after A. In FE (→EE) they were recreated with a slightly shortened mark in bar 21. GE repeats the mark of FE in bar 21, while in bar 22 the  mark was gradually elongated until occupying the entire bar.

category imprint: Differences between sources

issues: Inaccuracies in FE , GE revisions

b. 22

composition: Op. 10 No 11, Etude in E♭ major

..

In A there is no  lowering to g in the 1st chord in the L.H.

category imprint: Interpretations within context; Differences between sources

issues: Omission of current key accidentals , Errors of A , Authentic corrections of FE

b. 22

composition: Op. 10 No 11, Etude in E♭ major

g1 in A

f1 in FE (→GE,EE)

..

The change of the bottom note in the 3rd chord from g1 to f1 is undoubtedly a result of Chopin's correction in FE (→GE,EE).

category imprint: Differences between sources; Corrections & alterations

issues: Accompaniment changes , Authentic corrections of FE