PR's merged into develop and missing in stable-branch

highly likely unneeded feel free to revisit
https://github.com/mariadb-corporation/mariadb-columnstore-engine/pull/3010
https://github.com/mariadb-corporation/mariadb-columnstore-engine/pull/3015

MCOL-4740 suggested in https://github.com/mariadb-corporation/mariadb-columnstore-engine/pull/3555
https://github.com/mariadb-corporation/mariadb-columnstore-engine/pull/3011
https://github.com/mariadb-corporation/mariadb-columnstore-engine/pull/3030

SUGGESTED by https://github.com/mariadb-corporation/mariadb-columnstore-engine/pull/3550
https://github.com/mariadb-corporation/mariadb-columnstore-engine/pull/3335
https://github.com/mariadb-corporation/mariadb-columnstore-engine/pull/3025
https://github.com/mariadb-corporation/mariadb-columnstore-engine/pull/3160
https://github.com/mariadb-corporation/mariadb-columnstore-engine/pull/3168
https://github.com/mariadb-corporation/mariadb-columnstore-engine/pull/3174
https://github.com/mariadb-corporation/mariadb-columnstore-engine/pull/3228
https://github.com/mariadb-corporation/mariadb-columnstore-engine/pull/3234
https://github.com/mariadb-corporation/mariadb-columnstore-engine/pull/3244
https://github.com/mariadb-corporation/mariadb-columnstore-engine/pull/3249
https://github.com/mariadb-corporation/mariadb-columnstore-engine/pull/3252
https://github.com/mariadb-corporation/mariadb-columnstore-engine/pull/3256

support of Apache Arrow
https://github.com/mariadb-corporation/mariadb-columnstore-engine/pull/2993
https://github.com/mariadb-corporation/mariadb-columnstore-engine/pull/3149
https://github.com/mariadb-corporation/mariadb-columnstore-engine/pull/3152

PARQUET RELATED
https://github.com/mariadb-corporation/mariadb-columnstore-engine/pull/3333
writeengine/bulk/we_bulkloadbuffer.cpp
https://github.com/mariadb-corporation/mariadb-columnstore-engine/pull/2983
https://github.com/mariadb-corporation/mariadb-columnstore-engine/pull/3164
https://github.com/mariadb-corporation/mariadb-columnstore-engine/pull/3184
https://github.com/mariadb-corporation/mariadb-columnstore-engine/pull/3185

FDB related
https://github.com/mariadb-corporation/mariadb-columnstore-engine/pull/3233
https://github.com/mariadb-corporation/mariadb-columnstore-engine/pull/3359
https://github.com/mariadb-corporation/mariadb-columnstore-engine/pull/3373
https://github.com/mariadb-corporation/mariadb-columnstore-engine/pull/3369
https://github.com/mariadb-corporation/mariadb-columnstore-engine/pull/3352
https://github.com/mariadb-corporation/mariadb-columnstore-engine/pull/3351
https://github.com/mariadb-corporation/mariadb-columnstore-engine/pull/3266
https://github.com/mariadb-corporation/mariadb-columnstore-engine/pull/3280
https://github.com/mariadb-corporation/mariadb-columnstore-engine/pull/3283
https://github.com/mariadb-corporation/mariadb-columnstore-engine/pull/3294