diff --git a/CHANGELOG.md b/CHANGELOG.md
index 538a21f..24443df 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,12 +6,29 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 
+<!--
 ## [Unreleased]
+-->
+
+## [1.1.0] - 2024-07-24
+
+### Changed
+- Update README.
+- Bump USB API to 1.2.
+- Use fwup-util instead of dfu-util in firmware Makefile.
 
 ### Added
+- Print info for multiple devices with `apollo info`.
+- Add vendor request for ADC debugging.
 - Add optional timeout to `ApolloDebugger._find_device`.
 
+### Deprecated
+- Deprecate `print_device_info()`.
+
 ### Fixed
+- Extend Cynthion r1.4 hardware revision detection voltage range.
+- Always force FPGA offline for `apollo flash-info`.
+- Force FPGA offline before reading flash UID in `apollo info`.
 - Allow up to 5 seconds for re-enumeration after handoff of shared USB port.
 
 
@@ -115,7 +132,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Initial release.
 
 
-[Unreleased]: https://github.com/greatscottgadgets/apollo/compare/v1.0.7...HEAD
+[Unreleased]: https://github.com/greatscottgadgets/apollo/compare/v1.1.0...HEAD
+[1.1.0]: https://github.com/greatscottgadgets/apollo/compare/v1.0.7...v1.1.0
 [1.0.7]: https://github.com/greatscottgadgets/apollo/compare/v1.0.6...v1.0.7
 [1.0.6]: https://github.com/greatscottgadgets/apollo/compare/v1.0.5...v1.0.6
 [1.0.5]: https://github.com/greatscottgadgets/apollo/compare/v1.0.4...v1.0.5
diff --git a/README.md b/README.md
index 06f4c89..ff6bc28 100644
--- a/README.md
+++ b/README.md
@@ -6,14 +6,16 @@ Apollo consists of two main parts: firmware for the on-board debug microcontroll
 
 ## Installing Host Software
 
-To install the apollo-fpga Python module and the `apollo` command-line tool or to upgrade them to the latest version run:
+If you have a Cynthion, Apollo host software is installed automatically as a dependency when you [install Cynthion software](https://cynthion.readthedocs.io/en/latest/getting_started.html#cynthion-host-software-installation).
+
+To explicitly install the apollo-fpga Python module and the `apollo` command-line tool or to upgrade them to the latest version run:
 ```
 pip install --upgrade apollo-fpga
 ```
 
 ## Building and Installing Firmware
 
-To upgrade Apollo firmware on a Cynthion it is typically not necessary to compile the firmware yourself. Instead follow [Upgrading Cynthion Device Firmware](https://cynthion.readthedocs.io/en/latest/getting_started.html#upgrading-cynthion-device-firmware).
+To upgrade Apollo firmware on a Cynthion it is typically not necessary to compile the firmware yourself. Instead follow [Upgrading Cynthion Device Firmware](https://cynthion.readthedocs.io/en/latest/getting_started.html#updating-cynthion-microcontroller-firmware-and-fpga-configuration-flash).
 
 To compile and install onto Cynthion run:
 
@@ -22,13 +24,15 @@ $ cd apollo/firmware
 $ make APOLLO_BOARD=cynthion get-deps dfu
 ```
 
-This will download dependencies, compile the firmware, and install it onto Cynthion with [Saturn-V](https://github.com/greatscottgadgets/saturn-v).
+This will download dependencies, compile the firmware, and install it onto Cynthion with [pyfwup](https://github.com/greatscottgadgets/pyfwup) and [Saturn-V](https://github.com/greatscottgadgets/saturn-v).
 
-Alternatively you can use variables to specify an older hardware revision:
+Alternatively you can use variables to specify a different board or a fixed hardware revision:
 
 ```
 $ cd apollo/firmware
-$ make APOLLO_BOARD=cynthion BOARD_REVISION_MAJOR=0 BOARD_REVISION_MINOR=3 get-deps dfu
+$ make APOLLO_BOARD=cynthion BOARD_REVISION_MAJOR=1 BOARD_REVISION_MINOR=4 get-deps dfu
 ```
 
+A specified revision will override automatic hardware revision detection which is supported on Cynthion r0.6 and above. You must specify the revision to compile firmware for a Cynthion older than r0.6.
+
 Once installation is complete, LED A should activate, indicating that Apollo is running.
diff --git a/firmware/src/vendor.c b/firmware/src/vendor.c
index 693b374..ea29b76 100644
--- a/firmware/src/vendor.c
+++ b/firmware/src/vendor.c
@@ -24,7 +24,7 @@
 #include "board_rev.h"
 
 #define USB_API_MAJOR 1
-#define USB_API_MINOR 1
+#define USB_API_MINOR 2
 
 
 // Supported vendor requests.