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[C++] Deprecate Feather reader and writer #49231
Description
Describe the enhancement requested
This was discussed on the ML and there was a general agreement that deprecating both the Feather reader and writer is reasonable.
The actual API removal can be differentiated: the writer may be removed in version N +1 (24.0.0?) while we could wait a bit longer to remove the reader (28.0.0?).
Component(s)
C++
Activity
pitrou commentedon Feb 11, 2026
@rok @amoeba
pitrou commentedon Feb 11, 2026
@kou @thisisnic @jonkeane Could you perhaps open issues for C/GLib/Ruby and R, respectively?
kou commentedon Feb 12, 2026
Yes:
thisisnic commentedon Apr 6, 2026
Do we also need a ticket for MATLAB here too?
kou commentedon Apr 7, 2026
@sgilmore10 @kevingurney Could you work on this for MATLAB?
sgilmore10 commentedon Apr 7, 2026
@kou - Yes, I'll create an issue for deprecating the MATLAB API, and either @kevingurney or I will work on it.
kevingurney commentedon Apr 10, 2026
FYI - #49705 has been opened for introducing deprecation warnings for the MATLAB interface.
GH-49684: [MATLAB] Introduce deprecation warnings for "legacy" Feathe…
kevingurney commentedon Apr 14, 2026
FYI - #49705 has been merged.
apacheGH-49684: [MATLAB] Introduce deprecation warnings for "legacy" …
pitrou commentedon Jul 1, 2026
@andishgar @tadeja :)
GH-49232: [Python] deprecate feather python (#49590)
GH-49231: [C++] Deprecate Feather reader and writer (#50321)
pitrou commentedon Jul 6, 2026
Issue resolved by pull request 50321
#50321
GH-49237: [R] Deprecate Feather reader and writer (#49276)