This version of Dead Drop: - Improves some UI flows when managing chats and groups. - Other minor UI improvements. - Fixes a bug that would cause rapidly sent attachments to occasionally fail. - Fixes a bug that would occasionally cause scanned chats to show names incorrectly. - Fixes a bug where devices locked or offline for extended periods would sometimes stop receiving messages/calls.

Welcome to Dead Drop v2.0! The entire app has been rewritten with revamped cryptography, making your conversations more private and secure than ever before. We have switched to a double ratchet-inspired cryptography scheme, and eliminated long term identities, meaning that our servers truly do not know who you are. To support this change, almost all aspects of the app have been re-written, with a new faster and more stable database and key store. The changes do have the following implications that you may notice: - Group Chats from V1 do not meet the security and anonymity requirements for V2, so you will need to re-create groups. All your old chat history will be retained. - The major rewrite does mean certain features are being reimplemented, so watch this space for future updates! --- Updated Cryptography and Privacy details: - The app uses X25519 keys for your own identity. - An authenticated HPKE ratchet is used to generate a unique symmetric base key after every back and forth message exchange via X25519, with SHA256 as an encapsulation mechanism and SHA512 HKDF for key derivation. - Symmetric keys are ratcheted using a SHA512 HKDF, ensuring that each message is sent with unique keys. - Every message exchange, your base public key forming your identity will update, providing ultimate anonymity between devices. - The double ratchet mechanism provides perfect forward secrecy and post compromise security to all conversations on Dead Drop. - Messages and calls are end-to-end encrypted using the ChaCha20-Poly1305 AEAD cipher. - Dead Drop has no knowledge of who you are communicating with, or what is being sent between devices. - Dead Drop's servers act as a Dead Drop location, where your encrypted messages can be left for the other device to pick up within 30 days. Once retrieved, the message or attachment is deleted from our servers, with no logs retained. If a message or attachment isn't retrieved within 30 days, it's permanently deleted with no trace. - You can be added into groups with people that are not on your contact list, but only by trusted people in your contact list. - Notifications delivered to Apple's Push Notification Servers contain no private or identifiable information regarding who your notification is from, or what it is about. - All information is stored on your device with a unique cryptographic key that is protected by your Apple Key Chain.

This version of Dead Drop: - Fixes some minor UI glitches.

This version of Dead Drop: - Fixes a bug that would cause calls to show up as "Incoming Call" in certain circumstances.

This version of Dead Drop: - Introduces a Liquid Glass UI refresh — UI elements have been updated to use the new iOS 26 Liquid Glass design language. - Includes bug fixes and stability improvements for calling. - Implements routine security upgrades for core app libraries.

This version of Dead Drop: - Adds a progress spinner while awaiting file/photo upload in chats. - Fixes a bug when rendering profile codes in certain conditions. - Fixes a bug that causes messages to get stuck in a sending loop in certain conditions.

This version of Dead Drop: - Provides enhanced support for censored regions including Russia. - Introduces the ability to message whilst in Russia without a VPN. - Fixes a bug where one cannot accept another incoming DD call whilst on an existing call. - Fixes a bug which causes messages to enter an "encrypt queued" state during sending.

This version of Dead Drop: - Adds inline photos and file thumbnails to chat lists. - Adds the ability to send multiple images/files at once. - Fixes an issue that caused the privacy blur to persist for a long time when using FaceID.

This version of Dead Drop: - Adds the ability to forward messages and files between chats. - Hides sensitive content from screenshots and screen recordings. A notification will be sent to the open chat if you attempt to take a screenshot. - Adds a long-press option to mute and unmute chats from the Messages tab. - Includes other minor bug fixes and improvements.

This version of Dead Drop: - Introduces an audio indicator feature in calling. You will now see which audio device other call members are using.

This version of Dead Drop: - Introduces FaceID/TouchID protection for the app. - Fixes a bug that would cause messages to enter an "Encrypt queued" state during sending. - Fixes a bug that would cause files not to open correctly within chat views.

This version of Dead Drop: - Introduces global chat and message searching functionality. - Introduces per-chat message searching functionality. - Improves the scroll to bottom feature that allows a user to quickly skip to the bottom of a chat view.

This version of Dead Drop: - Introduces a scroll to bottom feature that allows a user to quickly skip to the bottom of a chat view. - Fixes a bug that causes chat views to scroll wildly to the top with minimal user input.

This version of Dead Drop: - Fixes an issue that would cause delays in sending messages queued whilst offline.

This version of Dead Drop: - Reverts a previous fix for buggy autocorrect behaviour when composing messages, as it inadvertently introduced an issue with right-to-left text formats.

This version of Dead Drop: - Adds new notification control options; chats can now have notifications set to "On", "Minimised", or "Off". - Improves stability of the message storage engine, fixing miscellaneous crashes. - Improves right-to-left layouts for users of right-to-left languages. - Updates cryptography libraries, including security patches. - Fixes chats not being scrolled to the bottom when opening a chat. - Fixes inconsistent behaviour in the compose bar when autocorrect offers suggestions. - Fixes the profile code appearing at an incorrect size in certain scenarios. - Fixes a bug that could cause the app to crash after resetting all Dead Drop da

This version of Dead Drop includes: - Support for right to left direction fonts to enhance UX for users utilising those languages. - A bug fix for a failed scan that can occur during public key exchange, which otherwise requires a retry. - An improvement to encrypted database operations to enhance the performance and stability of the app.

This version of Dead Drop includes: - An update to the Dead Drop public key exchange system which prevents exchanges happening outside of an in-person environment. - A fix for draft messages that can be inadvertently copied into other chats during chat-switching from incoming notifications.

This version of Dead Drop includes: - A fix for the notification service extension which under certain network conditions could delete received messages before displaying them within the main app.

This version of Dead Drop includes: - A fix for database collisions when receiving incoming notifications whilst drafting messages.

This version of Dead Drop includes: - A fix for notifications not appearing in certain configurations. - A fix for calls getting stuck in an "Initialising" state.

This version of Dead Drop introduces the following changes: - New settings have been added for greater control of notification visibility. - A setting has been added to hide calls from the iOS system call history. - Calls will no longer be automatically returned when a notification is pressed. - Call stability and accessibility have been improved in certain regions with Internet censorship. - Enhanced the storage protection of the local message database. - Dead Drop will no longer migrate between devices during iOS device migrations. Please use the built-in Dead Drop migration functionality instead! - Fixed: An issue that caused messages to get stuck in a "Sending..." state. - Fixed: An issue where calls would indefinitely show "reconnecting" when joining a call after the other user has disconnected.

Changes in this Dead Drop release: - Fixed a bug that would cause messages to sit in an "Encrypt Queued" state even though the device is online. - Fixed a bug that would cause an app crash when performing certain group operations.

This Dead Drop Release: - Fixes a bug that caused erroneous calls when coming online, if someone called you whilst you were offline. - Fixes a bug that caused message notifications to not play sound in certain scenarios.

This version of Dead Drop brings a variety of stability and performance enhancements to the Dead Drop calling framework which has undergone major redevelopment. Most notably: - Fixed a bug that would cause future calls to be interrupted on dial. - Fixed a bug that would cause incoming calls to crash the app in certain cases.