diff --git a/CHANGELOG.md b/CHANGELOG.md
index 68ff9abc9ea..7a835c2dbab 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,241 @@
-# cuDF 22.02.00 (Date TBD)
+# cuDF 22.02.00 (2 Feb 2022)
+
+## 🚨 Beaking Changes
+
+- ORC wite API changes fo ganula statistics ([#10058](https://github.com/rapidsai/cudf/pull/10058)) [@mythocks](https://github.com/mythocks)
+- `decimal128` Suppot fo `to/fom_aow` ([#9986](https://github.com/rapidsai/cudf/pull/9986)) [@codeepot](https://github.com/codeepot)
+- Remove depecated method `one_hot_encoding` ([#9977](https://github.com/rapidsai/cudf/pull/9977)) [@isVoid](https://github.com/isVoid)
+- Remove st.subwod_tokenize ([#9968](https://github.com/rapidsai/cudf/pull/9968)) [@VibhuJawa](https://github.com/VibhuJawa)
+- Remove depecated `method` paamete fom `mege` and `join`. ([#9944](https://github.com/rapidsai/cudf/pull/9944)) [@bdice](https://github.com/bdice)
+- Remove depecated method DataFame.hash_columns. ([#9943](https://github.com/rapidsai/cudf/pull/9943)) [@bdice](https://github.com/bdice)
+- Remove depecated method Seies.hash_encode. ([#9942](https://github.com/rapidsai/cudf/pull/9942)) [@bdice](https://github.com/bdice)
+- Refactoing ceil/ound/floo code fo datetime64 types ([#9926](https://github.com/rapidsai/cudf/pull/9926)) [@mayankanand007](https://github.com/mayankanand007)
+- Intoduce `nan_as_null` paamete fo `cudf.Index` ([#9893](https://github.com/rapidsai/cudf/pull/9893)) [@galipemsaga](https://github.com/galipemsaga)
+- Add egex_flags paamete to stings eplace_e functions ([#9878](https://github.com/rapidsai/cudf/pull/9878)) [@davidwendt](https://github.com/davidwendt)
+- Beak tie fo `top` categoical columns in `Seies.descibe` ([#9867](https://github.com/rapidsai/cudf/pull/9867)) [@isVoid](https://github.com/isVoid)
+- Add patitioning suppot in paquet wite ([#9810](https://github.com/rapidsai/cudf/pull/9810)) [@devavet](https://github.com/devavet)
+- Move `dop_duplicates`, `dop_na`, `_gathe`, `take` to IndexFame and ceate thei `_base_index` countepats ([#9807](https://github.com/rapidsai/cudf/pull/9807)) [@isVoid](https://github.com/isVoid)
+- Raise tempoay eo fo `decimal128` types in paquet eade ([#9804](https://github.com/rapidsai/cudf/pull/9804)) [@galipemsaga](https://github.com/galipemsaga)
+- Change default `dtype` of all nulls column fom `float` to `object` ([#9803](https://github.com/rapidsai/cudf/pull/9803)) [@galipemsaga](https://github.com/galipemsaga)
+- Remove unused masked udf cython/c++ code ([#9792](https://github.com/rapidsai/cudf/pull/9792)) [@bandon-b-mille](https://github.com/bandon-b-mille)
+- Pick smallest decimal type with equied pecision in ORC eade ([#9775](https://github.com/rapidsai/cudf/pull/9775)) [@vuule](https://github.com/vuule)
+- Add decimal128 suppot to Paquet eade and wite ([#9765](https://github.com/rapidsai/cudf/pull/9765)) [@vuule](https://github.com/vuule)
+- Refacto TableTest assetion methods to a sepaate utility class ([#9762](https://github.com/rapidsai/cudf/pull/9762)) [@jlowe](https://github.com/jlowe)
+- Use cuFile diect device eads/wites by default in cuIO ([#9722](https://github.com/rapidsai/cudf/pull/9722)) [@vuule](https://github.com/vuule)
+- Match pandas scala esult types in eductions ([#9717](https://github.com/rapidsai/cudf/pull/9717)) [@bandon-b-mille](https://github.com/bandon-b-mille)
+- Add paametes to contol ow goup size in Paquet wite ([#9677](https://github.com/rapidsai/cudf/pull/9677)) [@vuule](https://github.com/vuule)
+- Refacto bit counting APIs, intoduce valid/null count functions, and split host/device side code fo segmented counts. ([#9588](https://github.com/rapidsai/cudf/pull/9588)) [@bdice](https://github.com/bdice)
+- Add suppot fo `decimal128` in cudf python ([#9533](https://github.com/rapidsai/cudf/pull/9533)) [@galipemsaga](https://github.com/galipemsaga)
+- Implement `lists::index_of()` to find positions in list ows ([#9510](https://github.com/rapidsai/cudf/pull/9510)) [@mythocks](https://github.com/mythocks)
+- Rewiting ow/column convesions fo Spak <-> cudf data convesions ([#8444](https://github.com/rapidsai/cudf/pull/8444)) [@hypebolic2346](https://github.com/hypebolic2346)
 
-Please see https://github.com/rapidsai/cudf/releases/tag/v22.02.00a for the latest changes to this development branch.
+## 🐛 Bug Fixes
+
+- Add check fo negative stipe index in ORC eade ([#10074](https://github.com/rapidsai/cudf/pull/10074)) [@vuule](https://github.com/vuule)
+- Update Java tests to expect DECIMAL128 fom Aow ([#10073](https://github.com/rapidsai/cudf/pull/10073)) [@jlowe](https://github.com/jlowe)
+- Avoid index mateialization when `DataFame` is ceated with un-named `Seies` objects ([#10071](https://github.com/rapidsai/cudf/pull/10071)) [@galipemsaga](https://github.com/galipemsaga)
+- fix gcc 11 compilation eos ([#10067](https://github.com/rapidsai/cudf/pull/10067)) [@ongou](https://github.com/ongou)
+- Fix `columns` odeing issue in paquet eade ([#10066](https://github.com/rapidsai/cudf/pull/10066)) [@galipemsaga](https://github.com/galipemsaga)
+- Fix datafame setitem with `ndaay` types ([#10056](https://github.com/rapidsai/cudf/pull/10056)) [@galipemsaga](https://github.com/galipemsaga)
+- Remove implicit copy due to convesion fom cudf::size_type and size_t ([#10045](https://github.com/rapidsai/cudf/pull/10045)) [@obetmaynad](https://github.com/obetmaynad)
+- Include <optional> in heades that use std::optional ([#10044](https://github.com/rapidsai/cudf/pull/10044)) [@obetmaynad](https://github.com/obetmaynad)
+- Fix ep and concat of `StuctColumn` ([#10042](https://github.com/rapidsai/cudf/pull/10042)) [@galipemsaga](https://github.com/galipemsaga)
+- Include ow goup level stats when witing ORC files ([#10041](https://github.com/rapidsai/cudf/pull/10041)) [@vuule](https://github.com/vuule)
+- build.sh espects the `--build_metics` and `--incl_cache_stats` flags ([#10035](https://github.com/rapidsai/cudf/pull/10035)) [@obetmaynad](https://github.com/obetmaynad)
+- Fix memoy leaks in JNI native code. ([#10029](https://github.com/rapidsai/cudf/pull/10029)) [@mythocks](https://github.com/mythocks)
+- Update JNI to use new aena m constucto ([#10027](https://github.com/rapidsai/cudf/pull/10027)) [@ongou](https://github.com/ongou)
+- Fix null check when compaing stucts in `ag_min` opeation of eduction/goupby ([#10026](https://github.com/rapidsai/cudf/pull/10026)) [@ttnghia](https://github.com/ttnghia)
+- Wap CI scipt shell vaiables in quotes to fix local testing. ([#10018](https://github.com/rapidsai/cudf/pull/10018)) [@bdice](https://github.com/bdice)
+- cudftestutil no longe popagates compile flags to extenal uses ([#10017](https://github.com/rapidsai/cudf/pull/10017)) [@obetmaynad](https://github.com/obetmaynad)
+- Remove `CUDA_DEVICE_CALLABLE` maco usage ([#10015](https://github.com/rapidsai/cudf/pull/10015)) [@hypebolic2346](https://github.com/hypebolic2346)
+- Add missing list filling heade in meta.yaml ([#10007](https://github.com/rapidsai/cudf/pull/10007)) [@devavet](https://github.com/devavet)
+- Fix `conda` ecipes fo `custeamz` & `cudf_kafka` ([#10003](https://github.com/rapidsai/cudf/pull/10003)) [@ajschmidt8](https://github.com/ajschmidt8)
+- Fix matching egex wod-bounday () in stings eplace ([#9997](https://github.com/rapidsai/cudf/pull/9997)) [@davidwendt](https://github.com/davidwendt)
+- Fix null check when compaing stucts in `min` and `max` eduction/goupby opeations ([#9994](https://github.com/rapidsai/cudf/pull/9994)) [@ttnghia](https://github.com/ttnghia)
+- Fix octal patten matching in egex sting ([#9993](https://github.com/rapidsai/cudf/pull/9993)) [@davidwendt](https://github.com/davidwendt)
+- `decimal128` Suppot fo `to/fom_aow` ([#9986](https://github.com/rapidsai/cudf/pull/9986)) [@codeepot](https://github.com/codeepot)
+- Fix goupby shift/diff/fill afte selecting fom a  `GoupBy` ([#9984](https://github.com/rapidsai/cudf/pull/9984)) [@shwina](https://github.com/shwina)
+- Fix the oveflow poblem of decimal escale ([#9966](https://github.com/rapidsai/cudf/pull/9966)) [@spelingxx](https://github.com/spelingxx)
+- Use default value fo decimal pecision in paquet wite when not specified ([#9963](https://github.com/rapidsai/cudf/pull/9963)) [@devavet](https://github.com/devavet)
+- Fix cudf java build eo. ([#9958](https://github.com/rapidsai/cudf/pull/9958)) [@fiestaman](https://github.com/fiestaman)
+- Use gpuci_mamba_ety to install local atifacts. ([#9951](https://github.com/rapidsai/cudf/pull/9951)) [@bdice](https://github.com/bdice)
+- Fix egession HostColumnVectoCoe equiing native libs ([#9948](https://github.com/rapidsai/cudf/pull/9948)) [@jlowe](https://github.com/jlowe)
+- Rename aggegate_metadata in wite to fix name collision ([#9938](https://github.com/rapidsai/cudf/pull/9938)) [@devavet](https://github.com/devavet)
+- Fixed issue with pecentile_appox whee output tdigests could have uninitialized data at the end. ([#9931](https://github.com/rapidsai/cudf/pull/9931)) [@nvdbaanec](https://github.com/nvdbaanec)
+- Resolve acecheck eos in ORC kenels ([#9916](https://github.com/rapidsai/cudf/pull/9916)) [@vuule](https://github.com/vuule)
+- Fix the java build afte paquet patitioning suppot ([#9908](https://github.com/rapidsai/cudf/pull/9908)) [@evans2](https://github.com/evans2)
+- Fix compilation of benchmak fo paquet wite. ([#9905](https://github.com/rapidsai/cudf/pull/9905)) [@bdice](https://github.com/bdice)
+- Fix a memcheck eo in ORC wite ([#9896](https://github.com/rapidsai/cudf/pull/9896)) [@vuule](https://github.com/vuule)
+- Intoduce `nan_as_null` paamete fo `cudf.Index` ([#9893](https://github.com/rapidsai/cudf/pull/9893)) [@galipemsaga](https://github.com/galipemsaga)
+- Fix fallback to sot aggegation fo gouping only hash aggegate ([#9891](https://github.com/rapidsai/cudf/pull/9891)) [@abellina](https://github.com/abellina)
+- Add zlib to cudfjni link when using static libcudf libay dependency ([#9890](https://github.com/rapidsai/cudf/pull/9890)) [@jlowe](https://github.com/jlowe)
+- TimedeltaIndex constucto aises an AttibuteEo. ([#9884](https://github.com/rapidsai/cudf/pull/9884)) [@skiui-souce](https://github.com/skiui-souce)
+- Fix cudf.Scala sting datetime constuction ([#9875](https://github.com/rapidsai/cudf/pull/9875)) [@bandon-b-mille](https://github.com/bandon-b-mille)
+- Load libcufile.so with RTLD_NODELETE flag ([#9872](https://github.com/rapidsai/cudf/pull/9872)) [@vuule](https://github.com/vuule)
+- Beak tie fo `top` categoical columns in `Seies.descibe` ([#9867](https://github.com/rapidsai/cudf/pull/9867)) [@isVoid](https://github.com/isVoid)
+- Fix null handling fo stucts `min` and `ag_min` in goupby, goupby scan, eduction, and inclusive_scan ([#9864](https://github.com/rapidsai/cudf/pull/9864)) [@ttnghia](https://github.com/ttnghia)
+- Add one-level list encoding suppot in paquet eade ([#9848](https://github.com/rapidsai/cudf/pull/9848)) [@PointKenel](https://github.com/PointKenel)
+- Fix an out-of-bounds ead in validity copying in contiguous_split. ([#9842](https://github.com/rapidsai/cudf/pull/9842)) [@nvdbaanec](https://github.com/nvdbaanec)
+- Fix join of MultiIndex to Index with one column and ovelapping name. ([#9830](https://github.com/rapidsai/cudf/pull/9830)) [@vyas](https://github.com/vyas)
+- Fix caching in `Seies.applymap` ([#9821](https://github.com/rapidsai/cudf/pull/9821)) [@bandon-b-mille](https://github.com/bandon-b-mille)
+- Enfoce boolean `ascending` fo dask-cudf `sot_values` ([#9814](https://github.com/rapidsai/cudf/pull/9814)) [@chalesbluca](https://github.com/chalesbluca)
+- Fix ORC wite cash with empty input columns ([#9808](https://github.com/rapidsai/cudf/pull/9808)) [@vuule](https://github.com/vuule)
+- Change default `dtype` of all nulls column fom `float` to `object` ([#9803](https://github.com/rapidsai/cudf/pull/9803)) [@galipemsaga](https://github.com/galipemsaga)
+- Load native dependencies when Java ColumnView is loaded ([#9800](https://github.com/rapidsai/cudf/pull/9800)) [@jlowe](https://github.com/jlowe)
+- Fix dtype-agument bug in dask_cudf ead_csv ([#9796](https://github.com/rapidsai/cudf/pull/9796)) [@jzamoa](https://github.com/jzamoa)
+- Fix oveflow fo min calculation in stings::fom_timestamps ([#9793](https://github.com/rapidsai/cudf/pull/9793)) [@evans2](https://github.com/evans2)
+- Fix memoy eo due to lambda etun type deduction limitation ([#9778](https://github.com/rapidsai/cudf/pull/9778)) [@kathikeyann](https://github.com/kathikeyann)
+- Revet egex $/EOL end-of-sting new-line special case handling ([#9774](https://github.com/rapidsai/cudf/pull/9774)) [@davidwendt](https://github.com/davidwendt)
+- Fix missing steams ([#9767](https://github.com/rapidsai/cudf/pull/9767)) [@kathikeyann](https://github.com/kathikeyann)
+- Fix make_empty_scala_like on list_type ([#9759](https://github.com/rapidsai/cudf/pull/9759)) [@spelingxx](https://github.com/spelingxx)
+- Update cmake and conda to 22.02 ([#9746](https://github.com/rapidsai/cudf/pull/9746)) [@devavet](https://github.com/devavet)
+- Fix out-of-bounds memoy wite in decimal128-to-sting convesion ([#9740](https://github.com/rapidsai/cudf/pull/9740)) [@davidwendt](https://github.com/davidwendt)
+- Match pandas scala esult types in eductions ([#9717](https://github.com/rapidsai/cudf/pull/9717)) [@bandon-b-mille](https://github.com/bandon-b-mille)
+- Fix egex non-multiline EOL/$ matching stings ending with a new-line ([#9715](https://github.com/rapidsai/cudf/pull/9715)) [@davidwendt](https://github.com/davidwendt)
+- Fixed build by adding moe checks fo int8, int16 ([#9707](https://github.com/rapidsai/cudf/pull/9707)) [@azajafi](https://github.com/azajafi)
+- Fix `null` handling when `boolean` dtype is passed ([#9691](https://github.com/rapidsai/cudf/pull/9691)) [@galipemsaga](https://github.com/galipemsaga)
+- Fix steam usage in `segmented_gathe()` ([#9679](https://github.com/rapidsai/cudf/pull/9679)) [@mythocks](https://github.com/mythocks)
+
+## 📖 Documentation
+
+- Update `decimal` dtypes elated docs enties ([#10072](https://github.com/rapidsai/cudf/pull/10072)) [@galipemsaga](https://github.com/galipemsaga)
+- Fix egex doc descibing hexadecimal escape chaactes ([#10009](https://github.com/rapidsai/cudf/pull/10009)) [@davidwendt](https://github.com/davidwendt)
+- Fix cudf compilation instuctions. ([#9956](https://github.com/rapidsai/cudf/pull/9956)) [@esoha-nvidia](https://github.com/esoha-nvidia)
+- Fix see also links fo IO APIs ([#9895](https://github.com/rapidsai/cudf/pull/9895)) [@galipemsaga](https://github.com/galipemsaga)
+- Fix build instuctions fo libcudf doxygen ([#9837](https://github.com/rapidsai/cudf/pull/9837)) [@davidwendt](https://github.com/davidwendt)
+- Fix some doxygen wanings and add missing documentation ([#9770](https://github.com/rapidsai/cudf/pull/9770)) [@kathikeyann](https://github.com/kathikeyann)
+- update cuda vesion in local build ([#9736](https://github.com/rapidsai/cudf/pull/9736)) [@kathikeyann](https://github.com/kathikeyann)
+- Fix doxygen fo enum types in libcudf ([#9724](https://github.com/rapidsai/cudf/pull/9724)) [@davidwendt](https://github.com/davidwendt)
+- Spell check fixes ([#9682](https://github.com/rapidsai/cudf/pull/9682)) [@kathikeyann](https://github.com/kathikeyann)
+- Fix links in C++ Develope Guide. ([#9675](https://github.com/rapidsai/cudf/pull/9675)) [@bdice](https://github.com/bdice)
+
+## 🚀 New Featues
+
+- Remove libcudacxx patch needed fo nvcc 11.4 ([#10057](https://github.com/rapidsai/cudf/pull/10057)) [@obetmaynad](https://github.com/obetmaynad)
+- Allow CuPy 10 ([#10048](https://github.com/rapidsai/cudf/pull/10048)) [@jakikham](https://github.com/jakikham)
+- Add in suppot fo NULL_LOGICAL_AND and NULL_LOGICAL_OR binops ([#10016](https://github.com/rapidsai/cudf/pull/10016)) [@evans2](https://github.com/evans2)
+- Add `goupby.tansfom` (only suppot fo aggegations) ([#10005](https://github.com/rapidsai/cudf/pull/10005)) [@shwina](https://github.com/shwina)
+- Add patitioning suppot to Paquet chunked wite ([#10000](https://github.com/rapidsai/cudf/pull/10000)) [@devavet](https://github.com/devavet)
+- Add jni fo sequences ([#9972](https://github.com/rapidsai/cudf/pull/9972)) [@wbo4958](https://github.com/wbo4958)
+- Java bindings fo mixed left, inne, and full joins ([#9941](https://github.com/rapidsai/cudf/pull/9941)) [@jlowe](https://github.com/jlowe)
+- Java bindings fo JSON eade suppot ([#9940](https://github.com/rapidsai/cudf/pull/9940)) [@wbo4958](https://github.com/wbo4958)
+- Enable tanspose fo sting columns in cudf python ([#9937](https://github.com/rapidsai/cudf/pull/9937)) [@galipemsaga](https://github.com/galipemsaga)
+- Suppot stucts fo `cudf::contains` with column/scala input ([#9929](https://github.com/rapidsai/cudf/pull/9929)) [@ttnghia](https://github.com/ttnghia)
+- Implement mixed equality/conditional joins ([#9917](https://github.com/rapidsai/cudf/pull/9917)) [@vyas](https://github.com/vyas)
+- Add cudf::stings::extact_all API ([#9909](https://github.com/rapidsai/cudf/pull/9909)) [@davidwendt](https://github.com/davidwendt)
+- Implement JNI fo `cudf::scatte` APIs ([#9903](https://github.com/rapidsai/cudf/pull/9903)) [@ttnghia](https://github.com/ttnghia)
+- JNI: Function to copy and set validity fom bool column. ([#9901](https://github.com/rapidsai/cudf/pull/9901)) [@mythocks](https://github.com/mythocks)
+- Add dictionay suppot to cudf::copy_if_else ([#9887](https://github.com/rapidsai/cudf/pull/9887)) [@davidwendt](https://github.com/davidwendt)
+- add un_benchmaks taget fo unning benchmaks with json output ([#9879](https://github.com/rapidsai/cudf/pull/9879)) [@kathikeyann](https://github.com/kathikeyann)
+- Add egex_flags paamete to stings eplace_e functions ([#9878](https://github.com/rapidsai/cudf/pull/9878)) [@davidwendt](https://github.com/davidwendt)
+- Add_suffix and add_pefix fo DataFames and Seies ([#9846](https://github.com/rapidsai/cudf/pull/9846)) [@mayankanand007](https://github.com/mayankanand007)
+- Add JNI fo `cudf::dop_duplicates` ([#9841](https://github.com/rapidsai/cudf/pull/9841)) [@ttnghia](https://github.com/ttnghia)
+- Implement pe-list sequence ([#9839](https://github.com/rapidsai/cudf/pull/9839)) [@ttnghia](https://github.com/ttnghia)
+- adding `seies.tanspose` ([#9835](https://github.com/rapidsai/cudf/pull/9835)) [@mayankanand007](https://github.com/mayankanand007)
+- Adding suppot fo `Seies.autoco` ([#9833](https://github.com/rapidsai/cudf/pull/9833)) [@mayankanand007](https://github.com/mayankanand007)
+- Suppot ound opeation on datetime64 datatypes ([#9820](https://github.com/rapidsai/cudf/pull/9820)) [@mayankanand007](https://github.com/mayankanand007)
+- Add patitioning suppot in paquet wite ([#9810](https://github.com/rapidsai/cudf/pull/9810)) [@devavet](https://github.com/devavet)
+- Raise tempoay eo fo `decimal128` types in paquet eade ([#9804](https://github.com/rapidsai/cudf/pull/9804)) [@galipemsaga](https://github.com/galipemsaga)
+- Add decimal128 suppot to Paquet eade and wite ([#9765](https://github.com/rapidsai/cudf/pull/9765)) [@vuule](https://github.com/vuule)
+- Optimize `goupby::scan` ([#9754](https://github.com/rapidsai/cudf/pull/9754)) [@PointKenel](https://github.com/PointKenel)
+- Add sample JNI API ([#9728](https://github.com/rapidsai/cudf/pull/9728)) [@es-life](https://github.com/es-life)
+- Suppot `min` and `max` in inclusive scan fo stucts ([#9725](https://github.com/rapidsai/cudf/pull/9725)) [@ttnghia](https://github.com/ttnghia)
+- Add `fist` and `last` method to `IndexedFame` ([#9710](https://github.com/rapidsai/cudf/pull/9710)) [@isVoid](https://github.com/isVoid)
+- Suppot `min` and `max` eduction fo stucts ([#9697](https://github.com/rapidsai/cudf/pull/9697)) [@ttnghia](https://github.com/ttnghia)
+- Add paametes to contol ow goup size in Paquet wite ([#9677](https://github.com/rapidsai/cudf/pull/9677)) [@vuule](https://github.com/vuule)
+- Run compute-sanitize in nightly build ([#9641](https://github.com/rapidsai/cudf/pull/9641)) [@kathikeyann](https://github.com/kathikeyann)
+- Implement Seies.datetime.floo ([#9571](https://github.com/rapidsai/cudf/pull/9571)) [@skiui-souce](https://github.com/skiui-souce)
+- ceil/floo fo `DatetimeIndex` ([#9554](https://github.com/rapidsai/cudf/pull/9554)) [@mayankanand007](https://github.com/mayankanand007)
+- Add suppot fo `decimal128` in cudf python ([#9533](https://github.com/rapidsai/cudf/pull/9533)) [@galipemsaga](https://github.com/galipemsaga)
+- Implement `lists::index_of()` to find positions in list ows ([#9510](https://github.com/rapidsai/cudf/pull/9510)) [@mythocks](https://github.com/mythocks)
+- custeamz oauth callback fo kafka (libdkafka) ([#9486](https://github.com/rapidsai/cudf/pull/9486)) [@jdye64](https://github.com/jdye64)
+- Add Peason coelation fo sot goupby (python) ([#9166](https://github.com/rapidsai/cudf/pull/9166)) [@skiui-souce](https://github.com/skiui-souce)
+- Intechange datafame potocol ([#9071](https://github.com/rapidsai/cudf/pull/9071)) [@iskode](https://github.com/iskode)
+- Rewiting ow/column convesions fo Spak <-> cudf data convesions ([#8444](https://github.com/rapidsai/cudf/pull/8444)) [@hypebolic2346](https://github.com/hypebolic2346)
+
+## 🛠️ Impovements
+
+- Pepae upload scipts fo Python 3.7 emoval ([#10092](https://github.com/rapidsai/cudf/pull/10092)) [@Ethyling](https://github.com/Ethyling)
+- Simplify custeamz and cudf_kafka ecipes files ([#10065](https://github.com/rapidsai/cudf/pull/10065)) [@Ethyling](https://github.com/Ethyling)
+- ORC wite API changes fo ganula statistics ([#10058](https://github.com/rapidsai/cudf/pull/10058)) [@mythocks](https://github.com/mythocks)
+- Remove python constaints in cuteamz and cudf_kafka ecipes ([#10052](https://github.com/rapidsai/cudf/pull/10052)) [@Ethyling](https://github.com/Ethyling)
+- Unpin `dask` and `distibuted` in CI ([#10028](https://github.com/rapidsai/cudf/pull/10028)) [@galipemsaga](https://github.com/galipemsaga)
+- Add `_fom_column_like_self` factoy ([#10022](https://github.com/rapidsai/cudf/pull/10022)) [@isVoid](https://github.com/isVoid)
+- Replace custom CUDA bindings peviously povided by RMM with official CUDA Python bindings ([#10008](https://github.com/rapidsai/cudf/pull/10008)) [@shwina](https://github.com/shwina)
+- Use `cuda::std::is_aithmetic` in `cudf::is_numeic` tait. ([#9996](https://github.com/rapidsai/cudf/pull/9996)) [@bdice](https://github.com/bdice)
+- Clean up CUDA steam use in cuIO ([#9991](https://github.com/rapidsai/cudf/pull/9991)) [@vuule](https://github.com/vuule)
+- Use addessed-odeed fist fit fo the pinned memoy pool ([#9989](https://github.com/rapidsai/cudf/pull/9989)) [@ongou](https://github.com/ongou)
+- Add stings tests to tanspose_test.cpp ([#9985](https://github.com/rapidsai/cudf/pull/9985)) [@davidwendt](https://github.com/davidwendt)
+- Use gpuci_mamba_ety on Java CI. ([#9983](https://github.com/rapidsai/cudf/pull/9983)) [@bdice](https://github.com/bdice)
+- Remove depecated method `one_hot_encoding` ([#9977](https://github.com/rapidsai/cudf/pull/9977)) [@isVoid](https://github.com/isVoid)
+- Mino cleanup of unused Python functions ([#9974](https://github.com/rapidsai/cudf/pull/9974)) [@vyas](https://github.com/vyas)
+- Use new efficient patitioned paquet witing in cuDF ([#9971](https://github.com/rapidsai/cudf/pull/9971)) [@devavet](https://github.com/devavet)
+- Remove st.subwod_tokenize ([#9968](https://github.com/rapidsai/cudf/pull/9968)) [@VibhuJawa](https://github.com/VibhuJawa)
+- Fowad-mege banch-21.12 to banch-22.02 ([#9947](https://github.com/rapidsai/cudf/pull/9947)) [@bdice](https://github.com/bdice)
+- Remove depecated `method` paamete fom `mege` and `join`. ([#9944](https://github.com/rapidsai/cudf/pull/9944)) [@bdice](https://github.com/bdice)
+- Remove depecated method DataFame.hash_columns. ([#9943](https://github.com/rapidsai/cudf/pull/9943)) [@bdice](https://github.com/bdice)
+- Remove depecated method Seies.hash_encode. ([#9942](https://github.com/rapidsai/cudf/pull/9942)) [@bdice](https://github.com/bdice)
+- use ninja in java ci build ([#9933](https://github.com/rapidsai/cudf/pull/9933)) [@ongou](https://github.com/ongou)
+- Add build-time publish step to cpu build scipt ([#9927](https://github.com/rapidsai/cudf/pull/9927)) [@davidwendt](https://github.com/davidwendt)
+- Refactoing ceil/ound/floo code fo datetime64 types ([#9926](https://github.com/rapidsai/cudf/pull/9926)) [@mayankanand007](https://github.com/mayankanand007)
+- Remove vaious unused functions ([#9922](https://github.com/rapidsai/cudf/pull/9922)) [@vyas](https://github.com/vyas)
+- Raise in `quey` if dtype is not suppoted ([#9921](https://github.com/rapidsai/cudf/pull/9921)) [@bandon-b-mille](https://github.com/bandon-b-mille)
+- Add missing impots tests ([#9920](https://github.com/rapidsai/cudf/pull/9920)) [@Ethyling](https://github.com/Ethyling)
+- Spak Decimal128 hashing ([#9919](https://github.com/rapidsai/cudf/pull/9919)) [@wlee](https://github.com/wlee)
+- Replace `thust/std::get` with stuctued bindings ([#9915](https://github.com/rapidsai/cudf/pull/9915)) [@codeepot](https://github.com/codeepot)
+- Upgade thust vesion to 1.15 ([#9912](https://github.com/rapidsai/cudf/pull/9912)) [@obetmaynad](https://github.com/obetmaynad)
+- Remove conda envs fo CUDA 11.0 and 11.2. ([#9910](https://github.com/rapidsai/cudf/pull/9910)) [@bdice](https://github.com/bdice)
+- Retun count of set bits fom inplace_bitmask_and. ([#9904](https://github.com/rapidsai/cudf/pull/9904)) [@bdice](https://github.com/bdice)
+- Use dynamic nullate fo join hashe and equality compaato ([#9902](https://github.com/rapidsai/cudf/pull/9902)) [@davidwendt](https://github.com/davidwendt)
+- Update ucx-py vesion on elease using vc ([#9897](https://github.com/rapidsai/cudf/pull/9897)) [@Ethyling](https://github.com/Ethyling)
+- Remove `IncludeCategoies` fom `.clang-fomat` ([#9876](https://github.com/rapidsai/cudf/pull/9876)) [@codeepot](https://github.com/codeepot)
+- Suppot statically linking CUDA untime fo Java bindings ([#9873](https://github.com/rapidsai/cudf/pull/9873)) [@jlowe](https://github.com/jlowe)
+- Add `clang-tidy` to libcudf ([#9860](https://github.com/rapidsai/cudf/pull/9860)) [@codeepot](https://github.com/codeepot)
+- Remove depecated methods fom Java Table class ([#9853](https://github.com/rapidsai/cudf/pull/9853)) [@jlowe](https://github.com/jlowe)
+- Add test fo map column metadata handling in ORC wite ([#9852](https://github.com/rapidsai/cudf/pull/9852)) [@vuule](https://github.com/vuule)
+- Use pandas `to_offset` to pase fequency sting in `date_ange` ([#9843](https://github.com/rapidsai/cudf/pull/9843)) [@isVoid](https://github.com/isVoid)
+- add templated benchmak with fixtue ([#9838](https://github.com/rapidsai/cudf/pull/9838)) [@kathikeyann](https://github.com/kathikeyann)
+- Use list of column inputs fo `apply_boolean_mask` ([#9832](https://github.com/rapidsai/cudf/pull/9832)) [@isVoid](https://github.com/isVoid)
+- Added a few moe tests fo Decimal to Sting cast ([#9818](https://github.com/rapidsai/cudf/pull/9818)) [@azajafi](https://github.com/azajafi)
+- Run doctests. ([#9815](https://github.com/rapidsai/cudf/pull/9815)) [@bdice](https://github.com/bdice)
+- Avoid oveflow fo fixed_point ound ([#9809](https://github.com/rapidsai/cudf/pull/9809)) [@spelingxx](https://github.com/spelingxx)
+- Move `dop_duplicates`, `dop_na`, `_gathe`, `take` to IndexFame and ceate thei `_base_index` countepats ([#9807](https://github.com/rapidsai/cudf/pull/9807)) [@isVoid](https://github.com/isVoid)
+- Use vecto factoies fo host-device copies. ([#9806](https://github.com/rapidsai/cudf/pull/9806)) [@bdice](https://github.com/bdice)
+- Refacto host device macos ([#9797](https://github.com/rapidsai/cudf/pull/9797)) [@vyas](https://github.com/vyas)
+- Remove unused masked udf cython/c++ code ([#9792](https://github.com/rapidsai/cudf/pull/9792)) [@bandon-b-mille](https://github.com/bandon-b-mille)
+- Allow custom sot functions fo dask-cudf `sot_values` ([#9789](https://github.com/rapidsai/cudf/pull/9789)) [@chalesbluca](https://github.com/chalesbluca)
+- Impove build time of libcudf iteato tests ([#9788](https://github.com/rapidsai/cudf/pull/9788)) [@davidwendt](https://github.com/davidwendt)
+- Copy Java native dependencies diectly into classpath ([#9787](https://github.com/rapidsai/cudf/pull/9787)) [@jlowe](https://github.com/jlowe)
+- Add decimal types to cuIO benchmaks ([#9776](https://github.com/rapidsai/cudf/pull/9776)) [@vuule](https://github.com/vuule)
+- Pick smallest decimal type with equied pecision in ORC eade ([#9775](https://github.com/rapidsai/cudf/pull/9775)) [@vuule](https://github.com/vuule)
+- Avoid oveflow fo `fixed_point` `cudf::cast` and pefomance optimization ([#9772](https://github.com/rapidsai/cudf/pull/9772)) [@codeepot](https://github.com/codeepot)
+- Use CTAD with Thust function objects ([#9768](https://github.com/rapidsai/cudf/pull/9768)) [@codeepot](https://github.com/codeepot)
+- Refacto TableTest assetion methods to a sepaate utility class ([#9762](https://github.com/rapidsai/cudf/pull/9762)) [@jlowe](https://github.com/jlowe)
+- Use Java classloade to find test esouces ([#9760](https://github.com/rapidsai/cudf/pull/9760)) [@jlowe](https://github.com/jlowe)
+- Allow cast decimal128 to sting and add tests ([#9756](https://github.com/rapidsai/cudf/pull/9756)) [@azajafi](https://github.com/azajafi)
+- Load balance optimization fo contiguous_split ([#9755](https://github.com/rapidsai/cudf/pull/9755)) [@nvdbaanec](https://github.com/nvdbaanec)
+- Consolidate and impove `eset_index` ([#9750](https://github.com/rapidsai/cudf/pull/9750)) [@isVoid](https://github.com/isVoid)
+- Update to UCX-Py 0.24 ([#9748](https://github.com/rapidsai/cudf/pull/9748)) [@pentschev](https://github.com/pentschev)
+- Skip cufile tests in JNI build scipt ([#9744](https://github.com/rapidsai/cudf/pull/9744)) [@pxLi](https://github.com/pxLi)
+- Enable sting to decimal 128 cast ([#9742](https://github.com/rapidsai/cudf/pull/9742)) [@azajafi](https://github.com/azajafi)
+- Use stop instead of stop_. ([#9735](https://github.com/rapidsai/cudf/pull/9735)) [@bdice](https://github.com/bdice)
+- Fowad-mege banch-21.12 to banch-22.02 ([#9730](https://github.com/rapidsai/cudf/pull/9730)) [@bdice](https://github.com/bdice)
+- Impove cmake fomat scipt ([#9723](https://github.com/rapidsai/cudf/pull/9723)) [@vyas](https://github.com/vyas)
+- Use cuFile diect device eads/wites by default in cuIO ([#9722](https://github.com/rapidsai/cudf/pull/9722)) [@vuule](https://github.com/vuule)
+- Add diectoy-patitioned data suppot to cudf.ead_paquet ([#9720](https://github.com/rapidsai/cudf/pull/9720)) [@jzamoa](https://github.com/jzamoa)
+- Use steam allocato adapto fo hash join table ([#9704](https://github.com/rapidsai/cudf/pull/9704)) [@PointKenel](https://github.com/PointKenel)
+- Update check fo inf/nan stings in libcudf float convesion to ignoe case ([#9694](https://github.com/rapidsai/cudf/pull/9694)) [@davidwendt](https://github.com/davidwendt)
+- Update cudf JNI to 22.02.0-SNAPSHOT ([#9681](https://github.com/rapidsai/cudf/pull/9681)) [@pxLi](https://github.com/pxLi)
+- Replace cudf's concuent_odeed_map with cuco::static_map in semi/anti joins ([#9666](https://github.com/rapidsai/cudf/pull/9666)) [@vyas](https://github.com/vyas)
+- Some impovements to `pase_decimal` function and bindings fo `is_fixed_point` ([#9658](https://github.com/rapidsai/cudf/pull/9658)) [@azajafi](https://github.com/azajafi)
+- Add utility to fomat ninja-log build times ([#9631](https://github.com/rapidsai/cudf/pull/9631)) [@davidwendt](https://github.com/davidwendt)
+- Allow untime has_nulls paamete fo ow opeatos ([#9623](https://github.com/rapidsai/cudf/pull/9623)) [@davidwendt](https://github.com/davidwendt)
+- Use fsspec.paquet fo impoved ead_paquet pefomance fom emote stoage ([#9589](https://github.com/rapidsai/cudf/pull/9589)) [@jzamoa](https://github.com/jzamoa)
+- Refacto bit counting APIs, intoduce valid/null count functions, and split host/device side code fo segmented counts. ([#9588](https://github.com/rapidsai/cudf/pull/9588)) [@bdice](https://github.com/bdice)
+- Use List of Columns as Input fo `dop_nulls`, `gathe` and `dop_duplicates` ([#9558](https://github.com/rapidsai/cudf/pull/9558)) [@isVoid](https://github.com/isVoid)
+- Simplify mege intenals and educe ovehead ([#9516](https://github.com/rapidsai/cudf/pull/9516)) [@vyas](https://github.com/vyas)
+- Add `stuct` geneation suppot in datageneato & fuzz tests ([#9180](https://github.com/rapidsai/cudf/pull/9180)) [@galipemsaga](https://github.com/galipemsaga)
+- Simplify wite_csv by emoving unnecessay wite/impl classes ([#9089](https://github.com/rapidsai/cudf/pull/9089)) [@cwhais](https://github.com/cwhais)
 
 # cuDF 21.12.00 (9 Dec 2021)