diff --git a/RELEASES.md b/RELEASES.md
index 2eab19fe8..04e2319a9 100644
--- a/RELEASES.md
+++ b/RELEASES.md
@@ -1,3 +1,27 @@
+Version 0.3.0 (2026-04-22)
+========================
+* Supported car count: 345 → 397
+* Tesla Model 3, Model Y, and Model X (HW3 and HW4) support thanks to lukasloetkolben and greatgitsby!
+* Rivian R1S and R1T (Gen 1 and Gen 2) support thanks to lukasloetkolben!
+* Porsche Macan and Audi Q5 (VW MLB) support thanks to jyoung8607 and Dennis-NL!
+* VW MEB (ID.x) architecture support thanks to jyoung8607!
+* PSA AEE2010_R3 platform support thanks to elkoled!
+* Honda Accord 2023-25, CR-V 2023-25, Pilot 2023-25, Passport 2026, and Acura MDX 2025 support thanks to vanillagorillaa and MVL!
+* Honda Odyssey 2021-25 support thanks to csouers and MVL!
+* Acura TLX 2021 support thanks to MVL!
+* Honda City 2023 support thanks to vanillagorillaa and drFritz!
+* Honda N-Box 2018 support thanks to miettal!
+* Ford F-150, F-150 Hybrid, Mach-E, and Ranger support
+* Ford Escape 2023-24 and Kuga 2024 support thanks to incognitojam!
+* Hyundai Nexo 2021 support thanks to sunnyhaibin!
+* Kia K7 2017 support thanks to royjr!
+* Lexus LS 2018 support thanks to Hacheoy!
+* Lexus RC 2023 support thanks to nelsonjchen!
+* CANParser and CANPacker rewritten in pure Python — the installed package is pure Python, no compilation required
+* Safety code, `isotp.py`/`ccp.py`/`xcp.py`, and `vehicle_model.py` moved into opendbc from panda/openpilot — opendbc is now the self-contained car API package
+* `mull` replaced with a faster custom mutation test runner
+* Safety hardening: per-brand message-block config, missing RX checks, relay-malfunction config
+
 Version 0.2.1 (2025-02-10)
 ========================
 * Fix missing files making car/ package not importable
diff --git a/pyproject.toml b/pyproject.toml
index fe70034c7..860007eea 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "opendbc"
-version = "0.2.1"
+version = "0.3.0"
 description = "a Python API for your car"
 license = "MIT"
 authors = [{ name = "Vehicle Researcher", email = "user@comma.ai" }]
diff --git a/uv.lock b/uv.lock
index 9f6fe9812..396986b8f 100644
--- a/uv.lock
+++ b/uv.lock
@@ -382,7 +382,7 @@ wheels = [
 
 [[package]]
 name = "opendbc"
-version = "0.2.1"
+version = "0.3.0"
 source = { editable = "." }
 dependencies = [
     { name = "numpy" },