Merge released refs/tags/v0.121.0 into develop (#3303)

* chore: Update ckb node assume valid target (#3282)

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

* chore: update versions and changelogs

* Update Neuron compatibility table (#3284)

Co-authored-by: Keith-CY <[email protected]>

* chore: Update ckb node assume valid target (#3300)

chore: Update ckb node assume valid target for rc/v0.121.0.

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

* chore: update versions and changelogs

---------

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: Keith <[email protected]>
Co-authored-by: Keith-CY <[email protected]>

CHANGELOG.md

@@ -1,3 +1,25 @@
+# 0.121.0 (2025-01-16)
+
+### CKB Node & Light Client
+
+- [[email protected]](https://github.com/nervosnetwork/ckb/releases/tag/v0.121.0-rc1) was released on Jan. 9th, 2025. This version of CKB node is now bundled and preconfigured in Neuron.
+- [CKB Light [email protected]](https://github.com/nervosnetwork/ckb-light-client/releases/tag/v0.4.1) was released on Nov. 13th, 2024. This version of CKB Light Client is now bundled and preconfigured in Neuron
+
+### Assumed valid target
+
+Block before `0x1381f9e4f70ce521256c4095fa536d11165488171a8a2cbac687f8cf53907afa`(at height `15,119,157`) will be skipped in validation.(https://github.com/nervosnetwork/neuron/pull/3300)
+
+---
+
+## New features
+
+- #3290: Support inspecting and exporting private key for specific addresses.(@devchenyan)
+- #3293: Refine interaction of Sign and Verify Message.(@devchenyan)
+
+
+**Full Changelog**: https://github.com/nervosnetwork/neuron/compare/v0.120.0...v0.121.0
+
+
 # 0.120.0 (2024-12-13)
 
 ### CKB Node & Light Client