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b. 112

composition: Op. 29, Impromptu in A♭ major

..

We add a cautionary flat next to d1 in the last chord. The sign was already added in GE2 (→GE3GE4) and EE.

category imprint: Differences between sources; Editorial revisions

issues: Cautionary accidentals

b. 112

composition: Op. 43, Tarantella

..

We add cautionary  before a1 in RH. 

category imprint: Editorial revisions

b. 112

composition: Op. 24 No. 4, Mazurka in B♭ minor

A long accent in A (→GE1FE)

No accent in EE

A short accent in GE2 (→GE3)

..

A long accent that can be seen in A (→GE1FE) was omitted from EE and replaced with an ordinary short accent in GE2 (→GE3).

category imprint: Differences between sources

b. 112

composition: Op. 24 No. 4, Mazurka in B♭ minor

..

In EE, the minim f is written with an extending dot, which is surely a mistake. 

category imprint: Differences between sources

issues: Errors in EE

b. 112

composition: Op. 42, Waltz in A♭ major

e1 in FE

Third in GE & EE

..

There is no con the 2nd crotchet in FE0 (→FE), probably due to a misinterpretation of the autograph. Chopin added this note in FEG (→GE) and in the base text to EE.

category imprint: Differences between sources

issues: Omitted correction of an analogous place