changelog: update for 0.34.10 (#6358)

CHANGELOG.md

@@ -1,5 +1,18 @@
 # Changelog
 
+## v0.34.10
+
+*April 14, 2021*
+
+This release fixes a bug where peers would sometimes try to send messages 
+on incorrect channels. Special thanks to our friends at Oasis Labs for surfacing
+this issue! 
+
+Friendly reminder: We have a [bug bounty program](https://hackerone.com/tendermint).
+
+- [p2p/node] [\#6339](https://github.com/tendermint/tendermint/issues/6339) Fix bug with using custom channels (@cmwaters)
+- [light] [\#6346](https://github.com/tendermint/tendermint/issues/6346) Correctly handle too high errors to improve client robustness (@cmwaters)
+
 ## v0.34.9
 
 *April 8, 2021*

CHANGELOG_PENDING.md

@@ -88,4 +88,3 @@ Friendly reminder: We have a [bug bounty program](https://hackerone.com/tendermi
 - [privval] \#5638 Increase read/write timeout to 5s and calculate ping interval based on it (@JoeKash)
 - [blockchain/v1] [\#5701](https://github.com/tendermint/tendermint/pull/5701) Handle peers without blocks (@melekes)
 - [blockchain/v1] \#5711 Fix deadlock (@melekes)
-- [light] \#6346 Correctly handle too high errors to improve client robustness (@cmwaters)