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. 242

composition: Op. 16, Rondo in E♭ major

..

FE (→GE) has an erroneous "leggiere" instead of "leggiero."

category imprint: Differences between sources

issues: EE revisions , Errors in FE , Errors in GE , GE revisions

b. 242

composition: Op. 22, Polonaise

Wedge in FE

Dot in GE & EE

..

The version of GE is most probably a result of a revision, which, however, does not rule out the possibility that it could be compliant with Chopin's intention – see the note in b. 222.

category imprint: Differences between sources

issues: GE revisions , Wedges

b. 242

composition: Op. 44, Polonaise in F♯ minor

..

In the main text we add cautionary accidentals to the 2nd R.H. sixth. They were also added by EE. A similar situation is to be found in b. 244.

category imprint: Differences between sources; Editorial revisions

issues: EE revisions

b. 242

composition: Op. 23, Ballade in G minor

in A

Accent in FE (→GE,EE)

..

In the main text we give the accent added probably by Chopin in the stage of proofreading FE (→GE,EE) instead of , which was present in A. There are a few examples of Chopin reducing the number of  markings in the refinement stage, e.g. in the Etudes, Op. 10 – in A minor, No. 2 or in E, No. 11.

category imprint: Differences between sources

issues: Authentic corrections of FE

b. 242-244

composition: Op. 23, Ballade in G minor

5 sextuplet slurs in A

4 sextuplet slurs in FE (→GE,EE)

No sextuplet slurs, our alternative suggestion

..

In A, each of the subsequent 7 sextuplets in b. 242-245 is provided with a digit 6 and a separate slur, irrespective of the primary slur encompassing the entire chromatic sequence. Apart from minor inaccuracies, this notation was reproduced in the editions too. Such accuracy in marking a most regular structure is exceptional not only in Chopin's manuscripts, but also in the editorial practices in general. In this situation, we keep it in the main text, although the mUltimate Chopin editors did not find any potential reason for this uncommon notational consistency convincing enough to be worth mentioning. Our alternative suggestion is a simplified notation, adapted to the principles we adhere to in our transcriptions – cf. General Editorial Principlesp. 16.
The absence of the first of the additional slurs seems to be an inadvertence by the engraver of FE (→GE,EE). 

category imprint: Interpretations within context; Differences between sources; Editorial revisions

issues: Errors in FE , Triplet slurs