Add 1.2.0 release note (#215)

diff --git a/landing-page/content/common/release-notes.md b/landing-page/content/common/release-notes.md
index f1a7937..692efea 100644
--- a/landing-page/content/common/release-notes.md
+++ b/landing-page/content/common/release-notes.md
@@ -67,9 +67,75 @@
 </dependencies>
 ```
 
-## 1.1.0 release
+## 1.2.0 release
 
-Has been released on 28 November 2022. The 1.1.0 release deprecates various pre-1.0.0 methods, and adds a variety of new features. An overview:
+Apache Iceberg 1.2.0 was released on March 20th, 2023. 
+The 1.2.0 release adds a variety of new features and bug fixes.
+Here is an overview:
+
+* Core
+  - Added AES GCM encrpytion stream spec ([\#5432](https://github.com/apache/iceberg/pull/5432))
+  - Added support for Delta Lake to Iceberg table conversion ([\#6449](https://github.com/apache/iceberg/pull/6449), [\#6880](https://github.com/apache/iceberg/pull/6880))
+  - Added support for `position_deletes` metadata table ([\#6365](https://github.com/apache/iceberg/pull/6365), [\#6716](https://github.com/apache/iceberg/pull/6716))
+  - Added support for scan and commit metrics reporter that is pluggable through catalog ([\#6404](https://github.com/apache/iceberg/pull/6404), [\#6246](https://github.com/apache/iceberg/pull/6246), [\#6410](https://github.com/apache/iceberg/pull/6410)) 
+  - Added support for branch commit for all operations ([\#4926](https://github.com/apache/iceberg/pull/4926), [\#5010](https://github.com/apache/iceberg/pull/5010))
+  - Added `FileIO` support for ORC readers and writers ([\#6293](https://github.com/apache/iceberg/pull/6293))
+  - Updated all actions to leverage bulk delete whenever possible ([\#6682](https://github.com/apache/iceberg/pull/6682))
+  - Updated snapshot ID definition in Puffin spec to support statistics file reuse ([\#6272](https://github.com/apache/iceberg/pull/6267))
+  - Added human-readable metrics information in `files` metadata table ([\#5376](https://github.com/apache/iceberg/pull/5376))
+  - Fixed incorrect Parquet row group skipping when min and max values are `NaN` ([\#6517](https://github.com/apache/iceberg/pull/6517))
+  - Fixed a bug that location provider could generate paths with double slash (`//`) which is not compatible in a Hadoop file system ([\#6777](https://github.com/apache/iceberg/pull/6777))
+  - Fixed metadata table time travel failure for tables that performed schema evolution ([\#6980](https://github.com/apache/iceberg/pull/6980))
+* Spark
+  - Added time range query support for changelog table ([\#6350](https://github.com/apache/iceberg/pull/6350))
+  - Added changelog view procedure for v1 table ([\#6012](https://github.com/apache/iceberg/pull/6012))
+  - Added support for storage partition joins to improve read and write performance ([\#6371](https://github.com/apache/iceberg/pull/6371))
+  - Updated default Arrow environment settings to improve read performance ([\#6550](https://github.com/apache/iceberg/pull/6550))
+  - Added aggregate pushdown support for `min`, `max` and `count` to improve read performance ([\#6622](https://github.com/apache/iceberg/pull/6622))
+  - Updated default distribution mode settings to improve write performance ([\#6828](https://github.com/apache/iceberg/pull/6828), [\#6838](https://github.com/apache/iceberg/pull/6838))
+  - Updated DELETE to perform metadata-only update whenever possible to improve write performance ([\#6899](https://github.com/apache/iceberg/pull/6899))
+  - Improved predicate pushdown support for write operations ([\#6636](https://github.com/apache/iceberg/pull/6633))
+  - Added support for reading a branch or tag through table identifier and `VERSION AS OF` (a.k.a. `FOR SYSTEM_VERSION AS OF`) SQL syntax ([\#6717](https://github.com/apache/iceberg/pull/6717), [\#6575](https://github.com/apache/iceberg/pull/6575))
+  - Added support for writing to a branch through identifier or through write-audit-publish (WAP) workflow settings ([\#6965](https://github.com/apache/iceberg/pull/6965), [\#7050](https://github.com/apache/iceberg/pull/7050))
+  - Added DDL SQL extensions to create, replace and drop a branch or tag ([\#6638](https://github.com/apache/iceberg/pull/6638), [\#6637](https://github.com/apache/iceberg/pull/6637), [\#6752](https://github.com/apache/iceberg/pull/6752), [\#6807](https://github.com/apache/iceberg/pull/6807))
+  - Added UDFs for `years`, `months`, `days` and `hours` transforms ([\#6207](https://github.com/apache/iceberg/pull/6207), [\#6261](https://github.com/apache/iceberg/pull/6261), [\#6300](https://github.com/apache/iceberg/pull/6300), [\#6339](https://github.com/apache/iceberg/pull/6339))
+  - Added partition related stats for `add_files` procedure result ([\#6797](https://github.com/apache/iceberg/pull/6797))
+  - Fixed a bug that `rewrite_manifests` procedure produced a new manifest even when there was no rewrite performed ([\#6659](https://github.com/apache/iceberg/pull/6695))
+  - Fixed a bug that statistics files were not cleaned up in `expire_snapshots` procedure ([\#6090](https://github.com/apache/iceberg/pull/6090))
+* Flink
+  - Added support for metadata tables ([\#6222](https://github.com/apache/iceberg/pull/6222))
+  - Added support for read options in Flink source ([\#5967](https://github.com/apache/iceberg/pull/5967))
+  - Added support for reading and writing Avro `GenericRecord` ([\#6557](https://github.com/apache/iceberg/pull/6557), [\#6584](https://github.com/apache/iceberg/pull/6584))
+  - Added support for reading a branch or tag and write to a branch ([\#6660](https://github.com/apache/iceberg/pull/6660), [\#5029](https://github.com/apache/iceberg/pull/5029))
+  - Added throttling support for streaming read ([\#6299](https://github.com/apache/iceberg/pull/6299))
+  - Added support for multiple sinks for the same table in the same job ([\#6528](https://github.com/apache/iceberg/pull/6528))
+  - Fixed a bug that metrics config was not applied to equality and position deletes ([\#6271](https://github.com/apache/iceberg/pull/6271), [\#6313](https://github.com/apache/iceberg/pull/6313))
+* Vendor Integrations
+  - Added Snowflake catalog integration ([\#6428](https://github.com/apache/iceberg/pull/6428))
+  - Added AWS sigV4 authentication support for REST catalog ([\#6951](https://github.com/apache/iceberg/pull/6951))
+  - Added support for AWS S3 remote signing ([\#6169](https://github.com/apache/iceberg/pull/6169), [\#6835](https://github.com/apache/iceberg/pull/6835), [\#7080](https://github.com/apache/iceberg/pull/7080))
+  - Updated AWS Glue catalog to skip table version archive by default ([\#6919](https://github.com/apache/iceberg/pull/6916))
+  - Updated AWS Glue catalog to not require a warehouse location ([\#6586](https://github.com/apache/iceberg/pull/6586))
+  - Fixed a bug that a bucket-only AWS S3 location such as `s3://my-bucket` could not be parsed ([\#6352](https://github.com/apache/iceberg/pull/6352))
+  - Fixed a bug that unnecessary HTTP client dependencies had to be included to use any AWS integration ([\#6746](https://github.com/apache/iceberg/pull/6746))
+  - Fixed a bug that AWS Glue catalog did not respect custom catalog ID when determining default warehouse location ([\#6223](https://github.com/apache/iceberg/pull/6223))
+  - Fixes a bug that AWS DynamoDB catalog namespace listing result was incomplete ([\#6823](https://github.com/apache/iceberg/pull/6823))
+* Dependencies
+  - Upgraded ORC to 1.8.1 ([\#6349](https://github.com/apache/iceberg/pull/6349))
+  - Upgraded Jackson to 2.14.1 ([\#6168](https://github.com/apache/iceberg/pull/6168))
+  - Upgraded AWS SDK V2 to 2.20.18 ([\#7003](https://github.com/apache/iceberg/pull/7003))
+  - Upgraded Nessie to 0.50.0 ([\#6875](https://github.com/apache/iceberg/pull/6875))
+
+For more details, please visit [Github](https://github.com/apache/iceberg/releases/tag/apache-iceberg-1.2.0).
+
+## Past releases
+
+### 1.1.0 release
+
+Apache Iceberg 1.1.0 was released on November 28th, 2022. 
+The 1.1.0 release deprecates various pre-1.0.0 methods, 
+and adds a variety of new features. 
+Here is an overview:
 
 * Core
   - Puffin statistics have been [added to the Table API](https://github.com/apache/iceberg/pull/4945)
@@ -93,8 +159,6 @@
 
 For more details, please visit [Github](https://github.com/apache/iceberg/releases/tag/apache-iceberg-1.1.0).
 
-## Past releases
-
 ### 1.0.0 release
 
 The 1.0.0 release officially guarantees the stability of the Iceberg API.