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Lunifier 2.2.2

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@silviuk silviuk released this 29 Sep 12:18
· 9 commits to 2.0 since this release
v2.2.2
ee32e46

Lunifier 2.2.2 Release Notes

Lunifier 2.2.2 resolves intermittent mouse cursor jitter/stutter during normal PC usage by eliminating Bluetooth baseband radio contention through intelligent exponential backoff, cursor activity gating, strict bt_p2p_enabled enforcement, and Linux X11 display caching optimizations across Windows and Linux.

Highlights & Fixes in v2.2.2

1. Mouse Jitter Elimination via Radio Paging Contention Fix

  • Exponential Reconnection Backoff: Replaced the previous fixed 5-second reconnect loop with an intelligent exponential backoff:
    $$5\text{s} \longrightarrow 10\text{s} \longrightarrow 20\text{s} \longrightarrow 40\text{s} \longrightarrow \text{capped at } 60\text{s}$$
    This slashes Bluetooth baseband radio paging duty cycle from ~50% of uptime down to under 1.5%, preventing Bluetooth HID packet starvation and 2.4 GHz co-channel RF interference on both Bluetooth mice and USB dongles (Bolt / Unifying).
  • Cursor Activity-Gated Reconnection: EdgeDetector continuously tracks cursor displacement. If the mouse is actively moving ($\ge 4\text{ px}$ displacement within the last 600ms), background RFCOMM connect() calls are deferred by 1 second until the mouse is stationary, guaranteeing that radio paging never coincides with active mouse manipulation.
  • Instant Backoff Reset: Backoff automatically resets back to 5.0s whenever you trigger a screen border switch (NotifySwitchOut), pair with a new host, or start the service, ensuring immediate sync with zero latency.

2. Strict Enforcement of bt_p2p_enabled

  • Fixed a bug on both Windows and Linux where background Bluetooth reconnect loops would start even if "Enable Bluetooth Link" was toggled off, provided a peer MAC address was saved in configuration.
  • The background Bluetooth client and server now strictly require bt_p2p_enabled: true and a valid peer MAC address before initializing.

3. Linux Input Polling & X11 Display Hardening

  • Persistent X11 Display Caching: Avoids opening and closing ephemeral X11 display connections on every 15ms poll iteration, eliminating X server socket queue latency.
  • Throttled Subprocess Fallback: In environments without native X11 libraries, fallback xdotool queries are throttled to 20 Hz (50ms interval) to eliminate process-fork storms and CPU hitching.

Package Checksums (SHA-256)

Standard Edition (Full Features including Bluetooth Inter-Host Link)

Asset Size SHA-256 Checksum
Lunifier-Setup-2.2.2.exe 6.00 MB AFD2259B7BF4DC65666201493FFB61F5E3FBE25236BFFA1429ED2A4C86206CD3
Lunifier-Windows-2.2.2.zip 6.43 MB A0A4C7126F8AA1D7C31E81BA3B01AE147FEF411EE1460673EBA3508310219C18
Lunifier-2.2.2.0.msix 6.73 MB F65C2C619FD19CA22C5D4EFB8EFEB09566B6C495B5978955A8228403A67099AA
Lunifier-2.2.2.msix 6.73 MB F65C2C619FD19CA22C5D4EFB8EFEB09566B6C495B5978955A8228403A67099AA
lunifier_2.2.2_all.deb 178.7 KB 30732C0C7234D5C9E739E9A11BBA67ECA63A20DFB700BE15A8C778FB4D5EA667
Lunifier-Linux-2.2.2.tar.gz 246.8 KB 88330352A35616ECB8C3A62D7FC9D96FCB389E82781BC531722ED395499CA6DC

Standalone No-BtSync Edition (No RFCOMM Inter-Host Sync)

Asset Size SHA-256 Checksum
Lunifier-Setup-2.2.2-nobtsync.exe 6.00 MB 0A80DEBA4C55F9E143D6FC6A1B7A9025374B355A42E5443C83969712A0425A4C
Lunifier-Windows-2.2.2-nobtsync.zip 6.43 MB C02431F68BCAA0281CA47B8642BFB04318B9EBA89E53EC297ECA9393FA5AFB87
Lunifier-2.2.2.0-nobtsync.msix 6.73 MB D26261539332125A4C71D660CC1D28301BD0D87CF98F0E0F59B71B2D214A9563
Lunifier-2.2.2-nobtsync.msix 6.73 MB D26261539332125A4C71D660CC1D28301BD0D87CF98F0E0F59B71B2D214A9563
lunifier_2.2.2-nobtsync_all.deb 179.1 KB 1CA73F3FE0190929A2288EC4A87AE69761D0EC2C7A31EF71BB81D9BB2E69624D
Lunifier-Linux-2.2.2-nobtsync.tar.gz 246.8 KB D844D31D383A81F6B00545A29879B4415F0282844ACDCE43ABF177FB77CD8633

Note

MSIX Package Naming (2.2.2 vs 2.2.2.0):
Lunifier-2.2.2.0.msix and Lunifier-2.2.2.msix (as well as their respective -nobtsync counterparts) are bit-for-bit identical binary packages with matching SHA-256 checksums. The 4-part quad version 2.2.2.0 is strictly mandated by the Windows AppX/MSIX packaging specification (AppxManifest.xml) and Microsoft Partner Center / Windows Store upload validation (Major.Minor.Build.Revision). The 3-part 2.2.2 filename is provided as an alias matching standard semantic versioning and GitHub release tag conventions. Either package can be installed interchangeably.

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