From 656b1c5902dbad06f9d07a25b8b6e8aa297faa57 Mon Sep 17 00:00:00 2001
From: Mounir IDRASSI <mounir.idrassi@idrix.fr>
Date: Thu, 30 Dec 2021 15:33:16 +0100
Subject: Update Release Notes and add signed Windows driver.

---
 doc/chm/VeraCrypt User Guide.chm | Bin 1917709 -> 1918277 bytes
 doc/html/Release Notes.html      |  19 ++++++++++++-------
 2 files changed, 12 insertions(+), 7 deletions(-)

(limited to 'doc')

diff --git a/doc/chm/VeraCrypt User Guide.chm b/doc/chm/VeraCrypt User Guide.chm
index 0f780816..b2ed8c3f 100644
Binary files a/doc/chm/VeraCrypt User Guide.chm and b/doc/chm/VeraCrypt User Guide.chm differ
diff --git a/doc/html/Release Notes.html b/doc/html/Release Notes.html
index 2010273d..cb842c5c 100644
--- a/doc/html/Release Notes.html	
+++ b/doc/html/Release Notes.html	
@@ -39,22 +39,27 @@
 <strong>Note to users who created volumes with 1.17 version of VeraCrypt or earlier: </strong><br/>
 <span style="color:#ff0000;">To avoid hinting whether your volumes contain a hidden volume or not, or if you depend on plausible deniability when using hidden volumes/OS, then you must recreate both the outer and hidden volumes including system encryption and hidden OS, discarding existing volumes created prior to 1.18a version of VeraCrypt.</span></li>
 </p>
-<p><strong style="text-align:left">1.25.6</strong> (December 27<sup>th</sup>, 2021):</p>
+<p><strong style="text-align:left">1.25.6</strong> (December 30<sup>th</sup>, 2021):</p>
 <ul>
 <li><strong>Windows:</strong>
 <ul>
-<li>MSI installation only: Fix double-clicking .hc file container inserting %1 instead of volume name in UI path field.</li>
-<li>Add registry settings to control driver internal encryption queue (under HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\veracrypt):
+<li>MSI installation only: Fix double-clicking .hc file container inserting %1 instead of volume name in path field.</li>
+<li>Advanced users: Add registry settings to control driver internal encryption queue to allow tuning performance for SSD disks and having better stability under heavy load.
 <ul>
-<li>VeraCryptEncryptionFragmentSize (REG_DWORD): size of encryption data fragment in KiB. Default is 256.</li>
-<li>VeraCryptEncryptionIoRequestCount (REG_DWORD): maximum number of parallel I/O requests. Default is 16.</li>
-<li>VeraCryptEncryptionItemCount (REG_DWORD): maximum number of encryption queue items processed in parallel. Default is 8.</li>
+<li>Under registry key HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\veracrypt:
+<ul>
+<li>VeraCryptEncryptionFragmentSize (REG_DWORD): size of encryption data fragment in KiB. Default is 256. Maximum is 2048.</li>
+<li>VeraCryptEncryptionIoRequestCount (REG_DWORD): maximum number of parallel I/O requests. Default is 16. Maximum is 8192.</li>
+<li>VeraCryptEncryptionItemCount (REG_DWORD): maximum number of encryption queue items processed in parallel. Default as well as maximum is half of VeraCryptEncryptionIoRequestCount.</li>
+</ul>
+</li>
+<li>The triplet (FragmentSize=512, IoRequestCount=128, ItemCount=64) is an example of parameters that enhance sequential read speed on some SSD NVMe systems.</li>
 </ul>
 </li>
 </ul>
 <li><strong>MacOSX:</strong>
 <ul>
-<li>Fix resource files inside VeraCrypt application bundle (e.g. HTML documentation, languages XML files) being world-writable.</li>
+<li>Fix resource files inside VeraCrypt application bundle (e.g. HTML documentation, languages XML files) being world-writable. (Reported by Niall O'Reilly)</li>
 </ul>
 </li>
 </ul>
-- 
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