MLBEDSW-6184: Release notes for version 3.3.0

 - Bump minor release version and add release notes
 - Update README and SUPPORTED_OPS versions

Change-Id: Ic14d028483c12d281e69515b25f66346d9a3afeb
Signed-off-by: James Peet <james.peet@arm.com>
Signed-off-by: Tim Hall <tim.hall@arm.com>
diff --git a/README.md b/README.md
index e223e88..b5f352e 100644
--- a/README.md
+++ b/README.md
@@ -44,6 +44,8 @@
 The following should be installed prior to the installation of Vela:
 
 * Python 3.8 or compatible
+   - Development version containing the Python/C API header files
+   - e.g. `apt install python3.8-dev` or `yum install python38-devel`
 * Pip3
 * A C99 capable compiler and associated toolchain
     - For Linux operating systems, a GNU toolchain is recommended.
diff --git a/RELEASES.md b/RELEASES.md
index 6011d04..fec7824 100644
--- a/RELEASES.md
+++ b/RELEASES.md
@@ -5,6 +5,31 @@
 fixed.  The version numbering adheres to the
 [semantic versioning](https://semver.org/) scheme.
 
+## Release 3.3.0 - 25/02/2022
+
+**Main feature changes:**
+
+* Upgrade TensorFlow Lite support to version 2.7
+  * Increases Python requirement to at least version 3.8
+* Scheduling algorithm improvements
+  * Improved spilling reduces DRAM bandwidth for Ethos-U65 Dedicated SRAM
+  * Improved weight buffering increases performance for Ethos-U65 512-MAC
+  * Optimised tensor allocation reduces compilation time for large networks
+* Extended operator support:
+  * RESIZE_BILINEAR: Adds support for upscaling on NPU by factors of 4x4 and 8x8
+
+**Interface changes:**
+
+* None
+
+**Reported defect fixes:**
+
+* Memory corruption with custom operator and zero concatenation (MLCE-678)
+* Crash when creating explicit padding (MLCE-684)
+* Fix assert when setting address on identical LUT tensors (MLCE-691)
+* Reduce SRAM usage for some elementwise operations (MLCE-750)
+* Issue when running a model with Padding (MLCE-768)
+
 ## Release 3.2.0 - 26/11/2021
 
 **Main feature changes:**
diff --git a/SUPPORTED_OPS.md b/SUPPORTED_OPS.md
index f1e59aa..de0adf9 100644
--- a/SUPPORTED_OPS.md
+++ b/SUPPORTED_OPS.md
@@ -1,7 +1,7 @@
 # Supported Ops
 
 This file was automatically generated by Vela using the `--supported-ops-report` parameter.  
-Vela version: `3.2.1.dev26+gd13cd94.d20220215`
+Vela version: `3.3.0`
 
 This file complies with
 [**Gitiles Markdown syntax**](https://github.com/google/gitiles/blob/master/Documentation/markdown.md)
diff --git a/setup.py b/setup.py
index 4982bb3..488d296 100644
--- a/setup.py
+++ b/setup.py
@@ -40,7 +40,7 @@
 this_directory = os.path.abspath(os.path.dirname(__file__))
 with open(os.path.join(this_directory, "README.md"), encoding="utf-8") as f:
     long_description = f.read()
-    tag = "3.2.0"
+    tag = "3.3.0"
     url = f"https://review.mlplatform.org/plugins/gitiles/ml/ethos-u/ethos-u-vela/+/refs/tags/{tag}/"
     # Find all markdown links that match the format:  [text](link)
     for match, link in re.findall(r"(\[.+?\]\((.+?)\))", long_description):