chore(release): cherry-pick v1.34.1 changelog back to master (#13371)

* build: release Lotus Node and Miner v1.34.1 (#13345)

* fix: update filecoin-ffi to v1.34.0 stable release

The v1.34.0 release incorrectly shipped with filecoin-ffi v1.34.0-dev
instead of the stable v1.34.0. This updates to the correct stable version
which includes the critical ref-fvm v4.7.3 update.

* chore: release Lotus v1.34.1

Patch release fixing filecoin-ffi version to use stable v1.34.0

* chore: update generated documentation for v1.34.1

* Update CHANGELOG.md

Co-authored-by: Steve Loeppky <[email protected]>

---------

Co-authored-by: TippyFlits <[email protected]>
Co-authored-by: Steve Loeppky <[email protected]>

* fix: update migration details for NV27 upgrade (#13356)

fix: Update migration details for NV27 upgrade

* fix: closing brace should be on its own line for consistent JSON formatting

Was a classic fat finger from me in the cherrypick

---------

Co-authored-by: TippyFlits <[email protected]>
Co-authored-by: TippyFlits <[email protected]>
Co-authored-by: Steve Loeppky <[email protected]>

Author: 4 people

CHANGELOG.md

@@ -13,6 +13,10 @@
 - chore(deps): update of quic-go to v0.54.1 and go-libp2p to v0.43.0 ([filecoin-project/lotus#13361](https://github.com/filecoin-project/lotus/pull/13361))
 - feat(spcli): add a `deposit-margin-factor` option to `lotus-miner actor new` and `lotus-shed miner create` so the sent deposit still covers the on-chain requirement if it rises between lookup and execution
 
+# Node and Miner v1.34.1 / 2025-09-15
+
+This is a non-critical patch release that fixes an issue with the Lotus `v1.34.0` release where the incorrect version of filecoin-ffi was included.  Lotus `v1.34.0` used filecoin-ffi `v1.34.0-dev` when it should have used `v1.34.0`.  This isn’t critical since it’s the same filecoin-ffi version used during the nv27 Calibration network upgrade, but for consistency with other Node implementations like Forest, we are creating this release.  This ensures the inclusion of ref-fvm `v4.7.3` update that was missing in v1.34.0.  All users of v1.34.0 are encouraged to upgrade to v1.34.1.
+
 # Node and Miner v1.34.0 / 2025-09-11
 
 This is a **MANDATORY Lotus v1.34.0 release**, which will deliver the Filecoin network version 27, codenamed “Golden Week” 🏮. This release candidate sets the upgrade epoch for the Mainnet network to **Epoch 5348280:  2025-09-24T23:00:00Z**.  (See the [local time for other timezones](https://www.worldtimebuddy.com/?qm=1&lid=100,5128581,5368361,1816670&h=100&date=2025-9-24&sln=23-24&hf=1&c=1196).)  
@@ -36,7 +40,7 @@ This is a **MANDATORY Lotus v1.34.0 release**, which will deliver the Filecoin n
 This release candidate uses [v17.0.0](https://github.com/filecoin-project/builtin-actors/releases/tag/v17.0.0).
 
 ## 🚚 Migration
-All node operators, including storage providers, should be aware that ONE pre-migration is being scheduled 120 epochs before the network upgrade. The migration for the NV24 upgrade is expected to be light with no heavy pre-migrations:
+All node operators, including storage providers, should be aware that ONE pre-migration is being scheduled 120 epochs before the network upgrade. The migration for the NV27 upgrade is expected to be light with no heavy pre-migrations:
 - Pre-Migration is expected to take less then 1 minute.
 - The migration on the upgrade epoch is expected to take less than 30 seconds on a node with a NVMe-drive and a newer CPU. For nodes running on slower disks/CPU, it is still expected to take less then 1 minute.
 - RAM usages is expected to be under 20GiB RAM for both the pre-migration and migration.