iOS 12 – Wikipedia

Version Build Codename Release date Notes Update type 12.0 16A366 Peace September 17, 2018 Initial release on the iPhone XS and XS Max

• Allows searching for photos based on geotag information
• Introduces Memoji
• Adds Deliver Quietly feature for Do Not Disturb, which silently delivers notifications
• Adds Siri Suggestions to Lock Screen and Search
• Enables Siri to turn on the flashlight
• Introduces Measure app which uses AR to measure objects and spaces
• Fixes bug that allows applications to read the iPhone’s Apple ID
• Fixes bug that allows maliciously crafted iBooks file to access user information
• Fixes bug that allowed local users to recover deleted messages
• Fixes bug that prevented deleting browser history

Initial Release 16A367[a] October 26, 2018 Initial release on iPhone XR 12.0.1 16A404
16A405[b] October 8, 2018[7][8][9]

• Fixes an issue where some iPhone XS devices did not immediately charge when connected to a Lightning cable
• Resolves an issue that caused some iPhone XS units to rejoin Wi-Fi networks at 2.4 GHz instead of 5 GHz
• Restores the original position of the “.?123” key on the iPad keyboard
• Fixes an issue where subtitles failed to appear in some video apps
• Fixes an issue where Bluetooth could become unavailable
• Strengthens lock screen security due to local attackers accessing photos, contacts, and the share function on a locked device

Bug Fixes 12.1 16B92
16B93[a]
16B94[c] PeaceB October 30, 2018[10][11][12]
November 6, 2018[c]

• Initial release on iPad Pro (3rd generation)
• Introduces Group FaceTime support, with up to 32 participants simultaneously
• Adds dual SIM support using eSIMs for iPhone XS, iPhone XS Max, and iPhone XR
• Introduces Depth Control in Camera preview for iPhone XS, iPhone XS Max, and iPhone XR
• Fixes a bug where messages were merged into one thread if two users were signed into the same Apple ID on separate devices
• Resolves an issue where contact names could fail to appear alongside phone numbers
• Fixes a bug where no family members could be added or removed from Family Sharing
• Adds the ability for iPhone XS, iPhone XS Max, and iPhone XR to detect if the battery installed is a genuine Apple battery
• Adds a performance management feature to prevent sudden shutdowns for iPhone 8, iPhone 8 Plus, and iPhone X, with the ability to disable this
• Fixes bug that allows a remote attacker to forcefully initiate a FaceTime call

Feature Update 12.1.1 16C50 PeaceC December 5, 2018[13]

• Adds the ability to use separate carriers with dual SIM functionality
• Allows Live Photo capture during one-to-one FaceTime calls
• Allows switching between front and rear cameras with one tap in FaceTime
• Fixes an issue where Face ID may become unavailable
• Fixes issue where time zones did not update automatically
• Fixes issue in Messages that prevented predictive text suggestions when using Chinese or Japanese keyboards
• Increased lock screen security to prevent local attackers from accessing Contacts from the lock screen
• Fixes bug that prevents fully deleting browser history

Feature Update 12.1.2 16C101
16C104[d] December 17, 2018
December 20, 2018[d] Only for iPhones

• Fixes bugs with eSIM activation for iPhone XS, iPhone XS Max, and iPhone XR
• Fixes an issue where cellular connectivity was affected in Turkey for iPhone XS, iPhone XS Max, and iPhone XR

Bug Fixes 12.1.3 16D39
16D40[e] PeaceD January 22, 2019[14]

• Fixes issue that may cause artifacting in images sent from the Share Sheet
• Fixes issue that caused some CarPlay systems to disconnect from iPhone XS, iPhone XS Max, and iPhone XR
• Fixes another issue that allowed a remote attacker to forcefully initiate a FaceTime call

Bug Fixes 12.1.4 16D57 February 7, 2019[15][16]

• Fixes a bug where the initiator of a Group FaceTime call can force the recipients to answer

Security Fixes 12.2 16E227 PeaceE March 25, 2019[17] Initial release on iPad Air (3rd generation) and iPad Mini (5th generation)

• Introduces Apple News+
• Enables Ask Siri to allow play any video, show, movie, sports game, or channel on Apple TVs
• Introduces four new Animoji – owl, boar, giraffe, shark, for iPhone X and later
• Adds AirPlay controls into Control Center
• Adds support for AirPods (2nd generation)
• Adds support for Air Quality Index in the US, UK, and India
• Fixes bug where the reported size of large apps, System, and Other could be reported incorrectly in iPhone Storage
• Fixes a bug where an attacker could intercept network traffic
• Fixes a bug where websites could access sensor information without user consent
• Fixes a bug where websites could access the microphone without the microphone use indicator being shown

Feature Update 12.3 16F156 PeaceF May 13, 2019[18] Initial release on iPod Touch (7th generation)

• Introduces AirPlay 2
• Introduces the Apple TV app, to replace the TV app, which lets users access Apple TV shows from their iPhone
• Fixes bugs where apps could cause unexpected shutdowns

Feature Update 16F8155[f] May 28, 2019 12.3.1 16F203 May 24, 2019

• Fixes bug preventing use of VoLTE calls
• Fixes issue that allowed messages from unknown senders to appear in Messages despite Filter Unknown Senders being enabled
• Fixes issue that prevented the Report Junk link from appearing in messages from unknown senders

Bug Fixes 16F8202[f] May 29, 2019 12.3.2 16F250 June 10, 2019 Exclusive to iPhone 8 Plus, resolving an issue that could cause Camera to capture Portrait mode photos without depth effect on some devices Bug Fixes 12.4 16G77 PeaceG July 22, 2019[19]

• Adds support for Apple Cards
• Adds the ability to wirelessly transfer data between iPhones running iOS 12.4 or newer in Setup
• Makes downloaded magazines in News available both online and offline

Feature Update 12.4.1 16G102 August 26, 2019[20] Undoes a vulnerability fix reversal from the previous release Security Fixes 12.4.2 16G114 PeaceG September 26, 2019[21] Fixes bug that allows applications to read restricted memory Security Fixes 12.4.3 16G130 October 28, 2019[22] Fixes bug that allows AirDrop transfers to be forcefully accepted when the receiver is in Everyone mode Security Fixes 12.4.4 16G140 PeaceSecYukonC December 10, 2019[23] Fixes bug that allows a malicious video sent by FaceTime to lead to arbitrary code execution Security Fixes 12.4.5 16G161 PeaceSecYukonD January 28, 2020[24] Security fixes, no published CVE entries Security Fixes 12.4.6 16G183 PeaceSecYukonE March 24, 2020[25] 12.4.7 16G192 PeaceSecYukonF May 20, 2020[26] Fixes bugs in the Mail app that allowed kernel corruption and panics Security Fixes 12.4.8 16G201 PeaceSecYukonG July 15, 2020[27] Security fixes, no published CVE entries Security Fixes 12.4.9 16H5 PeaceUpdate November 5, 2020[28]

• Fixes bug that allowed users in Group FaceTime to enable video without being notified of it
• Fixes bug that allowed maliciously crafted font to gain arbitrary code execution.
• Fixes bugs with the kernel that allows disclosing of kernel memory and arbitrary code execution with

Security Fixes 12.5 16H20 December 14, 2020[29]

• Adds opt-in for COVID-19 exposure notifications on iPhone 5S and iPhone 6/6 Plus
• Fixes bug where unauthorized code execution led to violation of authentication policy violation

Feature Update 12.5.1 16H22 January 11, 2021[30] Solves an issue where Exposure Notifications could incorrectly display logging profile language on iPhone 5S and iPhone 6/6 Plus. Bug Fixes 12.5.2 16H30 March 26, 2021 Fixes bug where processing of maliciously crafted web content may lead to universal cross-site scripting Security Fixes 12.5.3 16H41 May 3, 2021 Fixes bugs where processing of maliciously crafted web content may lead to arbitrary code execution Security Fixes 12.5.4 16H50 June 14, 2021

• Fixes bugs where processing of maliciously crafted web content may lead to arbitrary code execution
• Fixes bug where processing of maliciously crafted security certificate may lead to arbitrary code execution

Security Fixes 12.5.5 16H62 September 23, 2021

• Fixes bug where processing a maliciously crafted PDF leads to arbitrary code execution
• Fixes bug where processing maliciously crafted web content may lead to arbitrary code execution
• Fixes bug where a malicious application is able to gain arbitrary code execution with kernel privileges

Security Fixes 12.5.6[31] 16H71 August 31, 2022

• Fixes bug where processing maliciously crafted web content may lead to arbitrary code execution

Security Fixes