Codenames

For firmware version codenames (BuildTrains), see Firmware Codenames.

This page lists several code names of Apple features.

ACE 

The USB-C port controller on the Mac

Akashi 

Cellular data on Apple Watch

Broadway 

Apple Card

Brook

Handwashing detection (BrookServices and BrookDataCollection private frameworks since iOS 14).

Burrito 

Bedtime (unsure of boundary with Eucalyptus)

Cinnamon 

Apple Watch electrocardiogram

CKKS

CloudKit Keychain Syncing, part of iCloud Keychain

Durian 

AirTags (seen eg. in the firmware update)

Ensemble 

Universal Control (macOS 12/iOS 15)

Eucalyptus 

Sleep tracking (unsure of boundary with Burrito)

Green Tea 

Chinese region customizations

Haywire 

Lightning video adapters (eg. Lightning to HDMI)

HiFive 

Chip present in Lightning cable connectors to negotiate the Lightning protocol.

Hydra 

Multiplexing chip in iDevices since iPhone X to deal with the Lightning protocol.

Lisa 

Digital Crown on the Apple Watch.

Newton 

Apple Watch fall detection

Madrid 

iMessage

Marzipan 

UIKit on macOS (Catalyst)

Maverick 

Update protocol from AP to Baseband chip

Medusa 

iPad Split Screen (probably Slide Over etc. too), not to be confused with the T1 EFI device (http://www.cmizapper.com/products/medusa-3.html)

Mesa 

TouchID on iDevices

Rose 

U1 / Ultra Wide Band chip

Sanddollar 

TouchID on the T1/T2 MacBook

Savage 

Baseband related (references wireless, ICCID (therefore eSIM?), MEID, etc), related to Yonkers

Scandium 

Apple Watch blood oxygen saturation measurement

Search Party 

Find My network (SP prefix in frameworks etc)

SOS 

Secure Object Sync, part of iCloud Keychain

Stark 

CarPlay

Stockholm 

Apple Pay / Secure Element (handles NFC as well)

Skywagon 

Xcode Cloud

Tincan 

Walkie-Talkie

Tinker 

Apple Watch Family Setup

Tristar 

Multiplexing chip in iDevices that deals with the Lightning protocol.

Tritium 

Apple Watch always-on screen (series 5 and later)

Vinyl 

The eSIM or eUICC

Wormhole 

AirDrop

Yonkers 

Baseband / Wireless related (relates to Savage)

Zeus 

Hermès variants of products (like Apple Watch and AirTag)

Unknown names

Codenames seen somewhere, but for which we don't know the meaning or it's not certain, and needs more investigation.

Absinthe

FairPlay-related

Avocado

Seen in SpringBoard code os_feature_enabled_impl("SpringBoard", "Avocado")

Engram

A "keychain view" (whatever that is), related to iCloud Keychain; there's also a related Engram private framework

Futhark

Private framework since iOS 9 (text detection?)

Hawkeye

Some FindMy-enabled product, probably means third-party devices.
(mentioned in FMIPCore, SiriFindMy and SPShared frameworks, locationd and searchpartyd daemons).

Madia

Unknown

Manatee

A "keychain view" (whatever that is), related to iCloud Keychain

Mescal

FairPlay-related

Morphun

Private framework, there's also a MorphunData asset in mesu.

Neutrino

Private frameworks since iOS 11 (NeutrinoCore and NeutrinoKit).

Nitrogen

Unknown

Octagon

Related to iCloud Keychain

Orion

MCU of some kind

Osprey

Private framework iOS 13, related to Siri, uses Absinthe

Pegasus

Private framework since iOS 9 (not related to NSO's exploit tool).

Peppy

Unknown

Piggyback

Some protocol related to Secure Object Sync / iCloud Keychain.

Proud Lock

Mentioned on SpringBoard code, possibly FaceID unlock?

Silex

Private framework since iOS 11.

Vapor

Seen in SpringBoard code os_feature_enabled_impl("NotificationCenter", "Vapor")

Veridian

Viceroy

Seen in multiple frameworks, FaceTime-related.

Xavier

Private frameworks since iOS 14 (XavierCore/XavierNews).

CPU cores

Since the A6, Apple SoCs have Apple-designed CPU cores. This table lists their names.

SoC	Performance core	Low-power core
A6	Swift	N/A
A7	Cyclone	N/A
A8	Typhoon	N/A
A9	Twister	N/A
A10	Hurricane	Zephyr
A11	Monsoon	Mistral
A12	Vortex	Tempest
A13	Lightning	Thunder
A14/M1	Firestorm	Icestorm
A15	Avalanche	Blizzard