Release Notes

2.3.36

Release Date: 2026-06-11

Fixed

Improved failure handling logic when file path is missing after content download completion
- Reason for change: After content download is complete, if the file save path cannot be retrieved, the download is treated as failed
- Impact scope: None
- App change required: None

2.3.35

Release Date: 2026-04-14

Added APIs

Use the server-configured maximum playback speed for content
```
/// KollusPlayerView.h
/// Max playback Rate
@property (nonatomic, unsafe_unretained, readonly) NSInteger maxPlaybackRate;
```
- Reason for change: Use the server-configured maximum value for content playback speed
- Impact scope: None
- App change required: None

2.3.34

Release Date: 2026-03-17

Added Features

Live concurrent viewers count reporting transmission
- Reason for change: To collect detailed statistics on live concurrent viewers
- Impact scope: None
- App change required: None
Live unauthorized IP playback blocking
- Reason for change: Prevent playback by applying 'IP restriction'
- Impact scope: None
- App change required: None

2.3.33

Release Date: 2026-01-26

Added APIs

Block playback after a certain time has passed since content started playing

/// KollusPlayerView.h
/// Playback Limit Duration
@property (nonatomic, unsafe_unretained, readonly) NSInteger nPlaybackLimitDuration;

/// Playback Limit Message
@property (nonatomic, copy) NSString *strPlaybackLimitMessage;

Reason for change: Block playback after a certain time has passed since content started playing
Impact scope: None
App change required: None

2.3.32

Release Date: 2025-12-30

Added Features

Content download event data transmission
- Reason for change: QoE data collection
- Impact scope: None
- App change required: None

2.3.31

Release Date: 2025-12-10

Added APIs

Added chapter class (Chapter.h)

/// Chapter Dictionary
@interface ChapterDict : NSObject
/// Language code for the chapter
@property (nonatomic, retain) NSString* strLanguage;
/// A list of Chapter objects
@property (nonatomic, retain) NSMutableArray* listChapter;

/// Chapter Information Object
@interface Chapter : NSObject
/// Start position of the chapter
@property (nonatomic, unsafe_unretained) NSTimeInterval position;
/// The display title or text content of the chapter
@property (nonatomic, retain) NSString *value;

Reason for change: Enable easy video navigation using chapter information
Impact scope: None
App change required: None

Added chapter information query property

Added a property to KollusPlayerView.h to query the chapter list of a video

@property (nonatomic, readonly) NSMutableDictionary* chapterInfo;

Reason for change: Enable easy video navigation using chapter information
Impact scope: None
App change required: None

Usage example

When to call: Chapter information should be referenced after the player's playback preparation is complete (prepareToPlayWithError) to obtain accurate data.
```
func kollusPlayerView(_ kollusPlayerView: KollusPlayerView!, prepareToPlayWithError error: Error!)
```

Reference: func setChapterInfo()

if let chapterInfo = playerView.chapterInfo as? [String: ChapterDict] {
    if chapterInfo.keys.contains("default_language_code") {
        NLog("The value \(String(describing: "default")) exists in the chapter language.")
        chapterList = chapterInfo["default_language_code"]?.listChapter as! [Chapter]
    } else {
        NLog("No default value in chapter language.")
    }
    NLog("chapterList : \(chapterList)")
    for chapter in chapterList {
        let value = (Float(chapter.position))/Float(data!.duration)
        controlView.sliderView.addChapter(value: value)
    }
}

Fixed

Fixed tv out setting error via playback callback during live playback
- Reason for change: Bug fix
- Impact scope: None
- App change required: None

2.3.30

Release Date: 2025-11-10

Added APIs

Added content provider identification information to KollusPlayerView.h
```
@property (nonatomic) NSString *contentProviderKey;
```
- Reason for change: Utilize data in user behavior analytics action stats
- Impact scope: None
- App change required: None

Added Features

Applied keep-alive when downloading from Kollus Edge
- Reason for change: Reduce time and resources consumed by network connections
- Impact scope: None
- App change required: None
Added new fields and changed timestamp in network API
- Reason for change: Utilize collected QoE data
- Impact scope: None
- App change required: None
Added cpk field to action stats API
- Reason for change: Improve data usability in user behavior analytics action stats
- Impact scope: None
- App change required: None

2.3.29

Release Date: 2025-10-27

Added Features

Toggle user behavior analytics data transmission on/off (Kollus Player only)
- Reason for change: Not applicable to SDK customers; added a scenario to toggle user behavior analytics data transmission on/off per customer
- Impact scope: None
- App change required: None
Detailed device type classification in User-Agent
- Reason for change: Distinguish hits by device
- Impact scope: None
- App change required: None
Fixed issue where customer-configured message in DRM Callback response was not displayed during download request
- Reason for change: When a content download request is made and the DRM Callback response is set to false, the configured message should be displayed
- Impact scope: None
- App change required: None

2.3.28

Release Date: 2025-08-12

Added Features

Recording prevention during PIP mode playback
- Reason for change: Prevent recording during PIP mode playback
- Impact scope: None
- App change required: None

2.3.27

Release Date: 2025-08-06

Added Features

Error code and error report when a known black screen occurs during live playback
- Reason for change: Identify black screen occurrences
- Impact scope: None
- App change required: None

2.3.26

Release Date: 2025-06-24

Added Features

Network quality monitoring
- Reason for change: Collect network quality data
- Impact scope: None
- App change required: None

2.3.25

Release Date: 2025-06-05

Added APIs

In "KollusStorage.h"
- /// Set Kollus SDK storage folder: creates a kollus subfolder
  @property (nonatomic, copy, readonly) NSString *storagePath;
- (BOOL)setKollusPath:(NSString *)path;
- Reason for change: Added API for specifying SDK storage folder
- Impact scope: None
- App change required: None
- Usage example
  - Use before calling (BOOL)startStorage:(NSError**)error;
    storage = KollusStorage() let dateString = "2025/12/31" storage.applicationKey = "4172322ee271bxxxxxxxxxxx…..2880b2411" storage.applicationBundleID = "com.example.KollusPlayer" let paths = NSSearchPathForDirectoriesInDomains(.libraryDirectory, .userDomainMask, true) storage.setKollusPath(paths.first) try storage.start()
  - This method should only be used in new apps. Otherwise, previously downloaded content will not be accessible.
  - Must be used before calling the startStorage function. Uses the Document folder as the default path.

2.3.24

Release Date: 2025-05-15

Added APIs

In "SubTitleInfo.h"
- /// Whether AI Subtitle
  @property (nonatomic) BOOL isAISubtitles;
- Reason for change: Added API to check whether AI Subtitle is applied
- Impact scope: None
- App change required: None

2.3.23

Release Date: 2025-03-25

Added APIs

In "KollusPlayerView.h"
- /// Content Provider Name
  @property (nonatomic) NSString *contentProviderName;
- Reason for change: Provide customer name
- Impact scope: None
- App change required: None
- /// Whether background playback is enabled
  @property (nonatomic, unsafe_unretained, readonly) BOOL disableBackgroundAudio;
- Reason for change: Whether content playback is allowed in the background state
- Impact scope: None
- App change required: None

2.3.22

Release Date: 2025-02-25

Added Features

Enhanced KollusSDK error collection
- Reason for change: To collect errors that occur before player initialization
- Impact scope: None
- App change required: None

Fixed

Fixed currentPlaybackTime error when switching from background paused state to foreground while using HW Decoder
- Reason for change: Bug fix
- Impact scope: None
- App change required: None
Fixed app crash when entering background while stopping playback with HW Decoder
- Reason for change: Bug fix
- Impact scope: None
- App change required: None

2.3.21

Release Date: 2025-02-06

Added Features

Minimum supported OS for iOS Kollus Player SDK: iOS 15.0 and above
- Reason for change: Xcode 16 supports on-device debugging from iOS 15
- Impact scope: YES (not supported on devices running below iOS 15)
- App change required: YES (Minimum Deployments must be changed to at least 15.0 in Xcode settings)

Fixed

Removed Last-modified check in m3u8 header during iOS HLS streaming playback
- Reason for change: When streaming HLS on-the-fly, the Last-modified information is not included in the header, causing playback failure
- Impact scope: None
- App change required: None

2.3.20

Release Date: 2025-01-14

Added APIs

In "KollusPlayerView.h"
- /// Next episode playback Show Button
  @property (nonatomic, unsafe_unretained, readonly) BOOL nextEpisodeShowButton;
- Reason for change: Show/hide the [Next Episode] button based on the media_info option even when the auto-play next episode setting is On
- Impact scope: None (only applicable to customers who require this flag value)
- App change required: None (only applicable to customers who require this flag value)

Deleted APIs

In "KollusPlayerView.h"
- /// Whether audio watermark is applied
  @property (nonatomic, unsafe_unretained, readonly) BOOL isWaterMark;
- Reason for change: AWT (Audio watermark) EOL declared & no current users
- Impact scope: None
- App change required: None

Added Features

UI distinction when using debug SDK
- When an app is built using the debug SDK, a UI element is added to notify users. (Displays "Debug" text at the top of the video)
- Reason for change: Prevent the debug SDK from being applied to production apps
- Impact scope: None
- App change required: None
Apply per-content media info decryption key
- Apply per-content media info encryption key
- Reason for change: Security enhancement
- Impact scope: None
- App change required: None

2.3.19

Release Date: 2024-12-17

Changed APIs

In "KollusPlayerLMSDelegate.h"
- @param json JSON object sent as request
  @param error Network error (nil: success)
- (void)kollusPlayerView:(KollusPlayerView *)kollusPlayerView json:(NSDictionary *)json error:(NSError *)error;
- =>
- @param lmsData lms data information
  @param resultJson lms result information
- (void)kollusPlayerView:(KollusPlayerView *)kollusPlayerView lmsData:(NSString *)lmsData resultJson:(NSDictionary *)resultJson;
- Reason for change: API changed due to request to add the received URL to LMS data information
- Impact scope: Yes (app must apply the changed API as build errors will occur)
- App change required: Yes (app must apply the changed API as build errors will occur)

Added Features

Prevent auto-play when setting playback speed
- Paused state → playback speed event → SDK stores the set value, then applies the playback speed value at the time of the Play event
- Reason for change: Prevent the content from playing when playback speed is set in a paused state
- Impact scope: None
- App change required: None
Skip Pause event while seeking
- When seeking during content playback, if a pause event occurs before the seek is complete, the pause result is inconsistent
- Reason for change: Pause event during seeking may affect the seek operation, so it is ignored
- Impact scope: None
- App change required: None

2.3.18

Release Date: 2024-11-07

Added APIs

Added ignoreZero in "KollusPlayerView.h"
- /// Resume is valid even when the resume time value is small
  @property (nonatomic, unsafe_unretained, readonly) BOOL ignoreZero;
- Returns the value of the ign_z flag passed as a query parameter in the playback URL. (default: false)
- Reason for change: Added at the request of customers who want to resume playback even when the resume time is within a certain duration from the beginning or end (less than 10 seconds for Kollus Player), ignoring the scenario of playing from the start
- Impact scope: None (only applicable to customers who require this flag value)
- App change required: None (only applicable to customers who require this flag value)

Added Features

Resume valid flag even when resume time value is small
- Returns the value of the ign_z flag passed as a query parameter in the playback URL. (default: false)
- Reason for change: Added at the request of customers who want to resume playback even when the resume time is within a certain duration from the beginning or end (less than 10 seconds for Kollus Player), ignoring the scenario of playing from the start
- Impact scope: None (only applicable to customers who require this flag value)
- App change required: None (only applicable to customers who require this flag value)
Kollus DRM and content security enhancement
- Reason for change: Kollus security enhancement
- Impact scope: Kollus customers (V/G encryption version upgrade and DRM encryption/decryption module update)
- App change required: None

2.3.17

Release Date: 2024-09-11

Added Features

Added LMS Callback delivery items (background and foreground timestamp values)
- After change: Added feature to calculate the time a user spends in the background
- Impact scope: No impact as this is a new API
- App change required: Not required

2.3.16

Release Date: 2024-08-29

Added Features

Applied on-the-fly DRM: Apply Kollus DRM per content

2.3.15

Release Date: 2024-08-13

Applied PallyConFPSSDK.framework 2.3.0: must be replaced in the app
Exception handling for missing newline characters in SRT subtitles
ERROR_KOLLUS_STORAGE_IS_EMPTY error handling when StorageManager is nil

2.3.14

Release Date: 2024-06-25

Applied PallyConFPSSDK.framework 2.1.0: must be replaced in the app

2.3.13

Release Date: 2024-06-19

Supplemented exception handling for [KollusAVPlayerView checkOutPut] crash

2.3.12

Release Date: 2024-05-09

Improved choppy playback issue with AI Speed on iPhone

2.3.11

Release Date: 2024-04-15

AI Speed content plays according to ios_player_type
Added AI Speed content information to N-screen

Added privacy manifest file

/// Player type: hw, sw, native
@property (nonatomic, copy, readonly) NSString *iosPlayerType;

2.3.10

Release Date: 2024-03-28

Exception handling for [KollusProxyPlayerView checkOutPut] crash
Background sound playback support during H/W Decoder playback
Applied next episode playback scenario

Added next episode APIs

/// Next episode playback Show Time
@property (nonatomic, unsafe_unretained, readonly) NSInteger nextEpisodeShowTime;
/// Next episode playback URL
@property (nonatomic, copy, readonly) NSString *nextEpisodeCallbackURL;
/// Next episode playback Params
@property (nonatomic, readonly) NSMutableDictionary *nextEpisodeCallbackParams;

2.3.9

Release Date: 2024-03-04

Added AI Speed playback time in LMS callback: at_playtime
iOS support: iOS 12 and above
Fixed issue where subtitles from a previous timing were briefly displayed when seeking multiple times consecutively

2.3.8

Release Date: 2024-02-05

Backup storage to prevent player ID from changing
AI Speed information is also passed in the Native player

2.3.7

Release Date: 2024-01-12

Fixed abnormal display issue when seeking H.265 video with iOS Player sw decoder setting
AI Speed feature

Added section playback parameters
Added AI Speed related APIs
In KollusPlayerView.h

/// Whether AI Speed is supported
@property(nonatomic, unsafe_unretained) BOOL AIRateEnable;

/// AI Speed usage setting (YES: AI Speed, NO: normal playback speed)
@param YES(default);

(void) setAIRate:(bool)bAIRate;

/// Repeat Start Time
@property (nonatomic, unsafe_unretained, readonly) NSInteger nRepeatStartTime;
/// Repeat End Time
@property (nonatomic, unsafe_unretained, readonly) NSInteger nRepeatEndTime;

2.3.36​

Release Date: 2026-06-11​

Fixed​

2.3.35​

Release Date: 2026-04-14​

Added APIs​

2.3.34​

Release Date: 2026-03-17​

Added Features​

2.3.33​

Release Date: 2026-01-26​

Added APIs​

2.3.32​

Release Date: 2025-12-30​

Added Features​

2.3.31​

Release Date: 2025-12-10​

Added APIs​

Fixed​

2.3.30​

Release Date: 2025-11-10​

Added APIs​

Added Features​

2.3.29​

Release Date: 2025-10-27​

Added Features​

2.3.28​

Release Date: 2025-08-12​

Added Features​

2.3.27​

Release Date: 2025-08-06​

Added Features​

2.3.26​

Release Date: 2025-06-24​

Added Features​

2.3.25​

Release Date: 2025-06-05​

Added APIs​

2.3.24​

Release Date: 2025-05-15​

Added APIs​

2.3.23​

Release Date: 2025-03-25​

Added APIs​

2.3.22​

Release Date: 2025-02-25​

Added Features​

Fixed​

2.3.21​

Release Date: 2025-02-06​

Added Features​

Fixed​

2.3.20​

Release Date: 2025-01-14​

Added APIs​

Deleted APIs​

Added Features​

2.3.19​

Release Date: 2024-12-17​

Changed APIs​

Added Features​

2.3.18​

Release Date: 2024-11-07​

Added APIs​

Added Features​

2.3.17​

Release Date: 2024-09-11​

Added Features​

2.3.16​

Release Date: 2024-08-29​

Added Features​

2.3.15​

Release Date: 2024-08-13​

2.3.14​

Release Date: 2024-06-25​

2.3.13​

Release Date: 2024-06-19​

2.3.12​

Release Date: 2024-05-09​

2.3.11​

2.3.36

Release Date: 2026-06-11

Fixed

2.3.35

Release Date: 2026-04-14

Added APIs

2.3.34

Release Date: 2026-03-17

Added Features

2.3.33

Release Date: 2026-01-26

Added APIs

2.3.32

Release Date: 2025-12-30

Added Features

2.3.31

Release Date: 2025-12-10

Added APIs

Fixed

2.3.30

Release Date: 2025-11-10

Added APIs

Added Features

2.3.29

Release Date: 2025-10-27

Added Features

2.3.28

Release Date: 2025-08-12

Added Features

2.3.27

Release Date: 2025-08-06

Added Features

2.3.26

Release Date: 2025-06-24

Added Features

2.3.25

Release Date: 2025-06-05

Added APIs

2.3.24

Release Date: 2025-05-15

Added APIs

2.3.23

Release Date: 2025-03-25

Added APIs

2.3.22

Release Date: 2025-02-25

Added Features

Fixed

2.3.21

Release Date: 2025-02-06

Added Features

Fixed

2.3.20

Release Date: 2025-01-14

Added APIs

Deleted APIs

Added Features

2.3.19

Release Date: 2024-12-17

Changed APIs

Added Features

2.3.18

Release Date: 2024-11-07

Added APIs

Added Features

2.3.17

Release Date: 2024-09-11

Added Features

2.3.16

Release Date: 2024-08-29

Added Features

2.3.15

Release Date: 2024-08-13

2.3.14

Release Date: 2024-06-25

2.3.13

Release Date: 2024-06-19

2.3.12

Release Date: 2024-05-09

2.3.11