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[Matt]

This is a new build of JRiver Media Center 31.  Please post bugs here.  Please start a new thread for anything requiring discussion.  Non-bug posts will be deleted.

Download 64-bit build
https://files.jriver-cdn.com/mediacenter/channels/v31/latest/MediaCenter310032-x64.exe (works on 64 bit systems only)

Download 32-bit build
https://files.jriver-cdn.com/mediacenter/channels/v31/latest/MediaCenter310032.exe (works on all systems)

31.0.32 (7/8/2023)

1. Changed: Better support for commas without spaces in the Unswap expression.
2. Fixed: Improved state tracking during JRVR startup for a potential hang fix.

31.0.31 (7/6/2023)

1. NEW: Added an MCC to seek to a percent (MCC_SEEK_PERCENT / 10072).
2. Changed: Unswap(...) handles double (and more) spaces just like Swap(...).
3. Changed: Updated libplacebo in JRVR, with many HDR gamut mapping improvements.
4. NEW: Added an option to JRVR Advanced settings to allow disabling the histogram in peak detection for improved performance on slow systems.

31.0.30 (7/6/2023)

1. NEW: Drives&Devices, Playlists, Podcasts, Services&Plugins, and Streaming pages use skin background and text colors.
2. Changed: Reworked how the default webpages like Playlists, Drives & Devices, etc. are included (please report any issues).
3. Changed: A little work on the Unswap(...) expression to better support the new Swap(...) expression.
4. Fixed: Video playback could crash in some cases.
5. NEW: Added a setting to control the target contrast when tone mapping HDR to SDR in JRVR.

31.0.29 (6/30/2023)

1. Changed: Triple spaces (or more) were still causing Swap problems.
2. Fixed: Media Center could leak memory when parsing an invalid MP4 file.
3. Fixed: Spotlight was not loading properly.

31.0.28 (6/29/2023)

1. Fixed: Double spaces are removed by the Swap(...) function to avoid problems they cause.
2. Fixed: Improved detection heuristics in black bar analysis for more confident results.

31.0.27 (6/28/2023)

1. Changed: Re-position New and Popular playlist links under Cloudplay title text.
2. Changed: Updated Greek translation (thanks Panagiotis).
3. Changed: Updated Simplified Chinese translation (thanks YanJun Sun).
4. Fixed: The new formatted flag on Playback/Info was not working properly.
5. Changed: Slightly better handling of commas in the Swap(...) expression.
6. Changed: Tuned the Swap(...) expression based on feedback on Interact.
7. Changed: Updated libplacebo with a lot of tone mapping and gamut mapping changes for processing HDR videos in JRVR.
8. NEW: Added new options to JRVR for controlling tone mapping. Output -> Contrast Recovery Strength, Output -> Spline Contrast (advanced HDR settings), Advanced -> Use Tricubic interpolation for gamut mapping.
9. Changed: Black Bar Analysis uses a simple heuristic to improve the quality of the detection, and write a report into the [Video Black Bar Analysis Report] field.
10. Changed: DVB TV channel scan will try excluding audio streams that have audio language code of "NAR" when selecting a default audio language stream.
11. Fixed: UI skin issues with Cloudplay start page when not signed in.

31.0.26 (6/27/2023)

1. NEW: New EXIF library with full read and write support for improved JPEG tagging.
2. NEW: Added an option to Tree & View > Advanced to hide tab close buttons.
3. NEW: Added a Dehexify expression function.
4. NEW: Use skin colors for Cloudplay.
5. Changed: Added a "Formatted" parameter to MCWS Playback/Info to allow specifying if the return value should be formatted or not.
6. NEW: Added "Chapter" Mode to MCWS Playback/Position to allow skipping to a specified chapter.
7. Changed: Tuned the Swap(...) expression function to work better with big strings.
8. Changed: Cleaned up the escapement in the Base URL of the links dialog so it should not be necessary (but the search expression still needs escapement).

31.0.25 (6/22/2023)

1. NEW: Added mode to the MCWS Playback/Position and allow passing a percentage (works with relative or absolute seeks).
2. Changed: The "Unlock All Tabs" menu option disables when all the tabs are unlocked.
3. Changed: The "Lock All Tabs" menu option disables when all the tabs are already locked.
4. Fixed: Black Bar detection could select the wrong video stream on DolbyVision UHD Blu-ray discs.
5. Fixed: Black Bar detection would not reliably select different points in the video file in some cases.

[Movieman]

I Think I posted this in the wrong spot, so reposting here. I apologize for the double post.

1.  The numeric values on the right side of the color control panel don't track the sliders and/or seem to be populated with random values.

2.  While I was trying to touch up the black level, it appears that the steps are too large and so the adjustments don't have adequate granularity. I either wound up with too few visible black bars or too many visible black bars.  Resorting to the brightness adjustment on the Nvidia card dialed it in with a single click.