The Timeline would list the launch dates and updates of Mystic Messenger, as well as any related occasions of both the game and Cheritz.
If you're looking for a timeline of the game, view Story Timeline!
Most recent device updates
Update (Android: 7/30/20) (IOS: 7/28/20)
v1.15.1 Android Update
Replacement of app icon
Event update: Special title illustrations appearing in a random order
v 1.15.1 iOS Update
Replacement of app icon
Event update: Special title illustrations appearing in a random order
Update
v1.1 Android Update
DayList is not shown.
Hourglass not added after purchases.
Lost Email/Email and password does not match message when you are registered.
VIP Activation doesn't get updated.
v1.2 Android Update
Made three free save slots.
Made loading save slots temporarily for free.
v1.3 Android Update
Save local data to the server.
Version info text.
Extra bug (not showing received phone call)
Zen's bad ending CG is shown white bug.
VIP ringtone was missing.
Added hourglass announcement.
v1.4 Android update
Deep story mode bug fixed.
After ending bug fixed.
v1.5 Android update
Max speed temporarily unlocked.
Text message, email and phone data saving bug fixed.
9th day of Yoosung's route percent error fixed.
Call history calls not saving bug fixed.
v1.5 --> v1.0.6
Hourglasses were lost when there was an error.
Extra "No Select" bug.
v1.0.8 update
Guest login error.
Delete Account bug.
Network error will be shown when the chat data is not saved properly.
English loading message translated.
Speed on loading chalets is faster now.
v1.1.1 Android update
Removed random saving error after getting hourglasses.
Fixed player time text messages when viewing them.
Fixed text message wrong time and viewing errors.
Changed default picture for the NPCs in the member profiles.
Made the login faster by reducing data loading for certain required data.
Added missing English translations for the Guests on the party day.
Fixed a bug with unlocking the next day and using hourglasses.
v1.1.2 Android update
Optimisation of game memory.
Optimisation of emoticon.
Fixed sprite.
Fixed an error of 707 album thumbnail.
Upgrade the "Duelist achievement".
Partially fixed save/load bug.
upgrade the save function of game starting time.
v1.1.3 Android update
Fixed buying room on last day, should be removed for bad routes.
Fixed chatroom before a branch being absent right away.
Fixed loading a save state that has a route.
Fixed the loading screen showing after seeing an absent room.
Fixed missing BG, CG, and Voices in extra chat history.
Fixed extra call history continuous loading view.
Fixed seven album photos.
v1.1.4 Android update
Fixed extra call history bugs.
FIxed visual novel Log-close button being cut at particular resolution.
Added pop-up message asking to watch the opening video.
Fixed the bug which activates continue button continuously.
v1.1.5 Android update
Changed the way the billing system works.
Removed unneeded resources, game is lighter now.
Fixed broken Niddle and Monogamy emails.
Fixed some emails that were being marked as finished properly.
Fixed cutoff emoticon images.
Fixed after ending bug with hourglasses.
After seeing an ending, the game was not saving properly is now fixed.
v1.1.6 Android update
Fixed wrong chat thumbnail.
Fixed notification popping up when Jumin's profile is changed.
Added missing translation.
Extra Call History: Added call sign of bad ending.
v1.1.7 Android update
Fixed a bug with checking email.
Fixed a bug with showing reply email.
Fixed extra call history- Outgoing Call list.
v1.1.8 Android update
Partially fixed bugs with replying text message error.
Fixed branch bug.
Photo Album fixed bugs where some CGs don't appear.
v1.1.9 Android update
Fixed email bug.
Fixed the title bug of chatroom.
Fixed the save bug of chat data.
v1.2.0 Android update
Text message bug fix.
Fixed infinite loading during log in.
Chatroom before the party bug fix.
v1.2.1 Android update
Game data download improvement.
Party email bug fix.
v1.2.2 Android update
Game data download improvement.
Party email Timeout bug fix.
v1.2.3 Android update
Fixed a bug with missing save slates.
Fixed a message that sometimes shows "Argument cannot be null. Parameter name: baseStream".
Loading save states was too slow sometimes.
Game data download improvement.
v1.2.4 Android update
When clicking save and sign sometimes it gets stuck and cannot proceed.
Data save improvement after finishing ending.
v1.2.5 Android Update
v1.2.6 Android Update
v1.2.7 Android update
Game crashing after seeing a video for certain devices fixed.
Did some internal maintenance on saving and loading data.
Picking from photo album fixed.
Added safer saving for phone calls.
v1.2.8 Android update
Fixed bugs where some CGs don't appear.
Fixed branch bug.
V1.2.9 Android Update
bugs fixed
10 Hourglasses added
v1.3.0 update
Fixed device not supported for previous users.
Added integrity checks when saving the game to fix save empty save data.
Fixed progress being lost or not updating when and branching and resetting the game.
Added retry popup for some areas of the game that experience network issues.
v1.3.1 Android update
Replace some error messages with retry popup when network error occurs
Picking from photo album fixed
v1.3.2 Android update
Fixed game sounds disappearing after an alarm or notification
v1.3.3 Android update
Fixed going past the 5th page on emails
Some maintenance on the payment system
v1.3.4 Android update
Made the saving system more stable and reliable
Game over image added
Added a retry message when unlocking save slots fails
Improved safety of saving after the game ending
v1.3.5 Android update
Text message bug fixed
Add cache clear button
Made the saving system more stable
Added loading screen to text messages when saving
v1.3.6 Android update
Stuck at the error message due to the lost save data
Increased iap feature
v1.3.7 Android update
Added Twitter notice in the app
Added a way to hide the close button in the CG view
Made the loading system more stable
v1.3.8 Android update
Made the guest reward saving more stable.
Added a quality select for the video.
Changed some error messages to be more friendly.
Updated contact us information/link.
Fixed email responses.
Fixed some save load issues.
Updated the title image for Autumn.
v1.3.9 Android update
Fixed a bug where the game does not continue when a retry popup shows.
Fixed a game ending that failed to show up properly.
v1.4.0 Android update
Added a back button for the App on Android devices (except chatroom)
Fixed a bug with character profiles.
Fixed multiple bugs with the email system.
v1.4.1 Android update
Added a back button in the chatroom.
Made the saving chatroom more stable.
Fixed multiple bugs with the email system.
v1.4.2 Android update
Made the saving system more stable.
Fixed multiple bugs with the email system.
Game optimisations.
Bug with image loading partially fixed.
In game abuse ban system implemented.
Made unlocking save slots more stable.
v1.4.3 Android update
Fixed game progress not saving immediately after buying a continue.
Fixed a bug where you could not enter a chatroom.
v1.4.4 Android update
Notification error on certain messages fixed.
Added chatroom push alarm settings.
Account ban system bug fixed.
Account ban lifting system added.
Limiting timezone changing accounts from logging in.
v1.4.5 Android update
Allowed limited timezone change due to moving, daylight saving and travelling.
Improved and fixed bugs with the ban system.
Last room not showing up on the first day fixed.
v1.4.6 Android Update
Improved and fixed bugs with the ban system.
v1.4.7 Android update
Fixed the guest to normal account conversion.
Changed the auto save feature to save data locally
v 1.4.8 Android update
Fixed the data roll-back issue.
v1.4.9 Android update
Urgent data issue fix.
v1.5.0 Android update
Fixed partially cutoff images in the photo album for some devices.
Improved the recovery system for data rollback issues.
Added 707's spaceship.
Optimised assets for the party scene for some characters.
v 1.5.1 Android update
Urgent bug fixes
v 1.5.2 Android Update
Halloween title image and greeting voice added.
Fixed text message push alarm issues.
Improved game stability.
Ended the free period of Max Speed & Save Slot Load.
v 1.5.3 Android update
Save data loading bug partially fixed.
Data rollback issue partially fixed.
You must login before November 7th if you have satisfied the conditions for the Max Speed Feature event. The function will not be available if you do not login to the game within that period.
v 1.5.4 Android Update
Urgent bug fixes
v 1.5.5 Android Update
Fixed a bug with timezone changes.
Made the game progress save feature more stable.
Fixed a bug with the language settings.
Sometimes available rooms turning into missed rooms fixed.
Fixed a spaceship bug
v 1.5.6 Android Update
Made the autosave system more stable.
Fixed a bug with save data rolling back.
Cannot load from save slots fixed.
Added a backup system
v 1.5.7 Android Update
Made the autosave system more stable.
Sometimes available rooms turning into missed rooms fixed.
Game optimizations.
Imporved timezone system.
Added a storage location selection feature.
v 1.5.8 Android Update
Added twitter notice
Fixed an issue with the game being inaccessible for certain devices.
Made the autosave system more stable
v 1.5.9 Android Update
Fixed a bug with the extra select data not saving properly.
Fixed a bug where game reset did not properly work.
Save system improvements.
Visual novel missing content under certain cases fixed
v 1.6.0 Android Update
v 1.6.1 Android Update
Various bugs fixed
v 1.6.2 Android Update
Fixed a push notification bug.
Fixed the hourglass display bug.
Fixed a chatroom scrolling issue.
Fixed a load time issue.
Fixed an issue with old phone calls replaying.
Improved the buying single chatrooms feature.
Optimized background loading.
Fixed a chatroom label bug in extra.
Fixed an issue with not clearing game data properly when restarting the game.
40 more hourglasses will be added as an apology due to bugs, so you will receive 50 hourglasses in total.
V 1.6.3 Android Update
Fixed a chatroom display bug in Extra
Fixed a bug where images and audio sporadically failed to load.
Christmas-themed Intro Chat Rooms of the RFA Members
30% SALE on ‘Christmas DLC’
Jaehee Kang Birthday Event
2019 New Years event
Minor bug fix
V 1.12.1 iOS Update - 12/18/18
Minor bug fix.
V 1.13.0 iOS Update - 02/14/19
Addition of After Ending - V
Addition of DLC - Rika Behind Story
Issue fix : iPhone X screen
Illustration improvement on 31 CGs and BGs
Minor bug fix
V 1.13.1 iOS Update - 02/15/19
Minor bug fix
V 1.13.2 iOS Update - 03/14/19
iOS Security Patch
V 1.14.1 iOS Update - 10/??/19
Jumin Han birthday event
addition of 'Seasonal' chatrooms
V 1.14.2 iOS Update - 10/11/19
Minor bug fix
V 1.14.3 iOS Update - 10/15/19
Minor bug fix
V 1.14.4 iOS Update - 11/05/19
Minor bug fix
V 1.14.6 iOS Update - 12/05/19
Minor bug fix
V 1.14.8 iOS Update - 01/17/20
fixed video playback error.
V 1.14.9 iOS Update - 02/19/20
Addition of 6 new Seasonal Intro Chats and Title Illustrations
Minor bug fix
V 1.15.0 iOS Update - 06/26/20
Event update: Honey Buddha Chips rewards doubled
Event update: 30% discount for seasonal contents
Event update: free max speed
Event update: Deep Story 100% discount
Special pop-up notification added
Copyright text edited
Minor bug fix
v 1.15.1 iOS Update - 07/28/20
Replacement of app icon
Event update: Special title illustrations appearing in a random order
Event
Cheritz held an out of game event, on there Tumblr and Twitter, where you could create a line that your favorite character could say when presenting you with chocolate. Ten winners received chocolate from the Cheritz team and the voice actors will act out the lines, which was then added to that characters free talk. This event began on Febuary 13 and ended on March 16.