Released: Mar 31, 2026

11.0.2248.11936 での更新項目

機能

• Improved how per-thread heap allocations are made, potentially reducing the amount of memory initially requested for a session.
• Updated to include assemblies built using the .NET 8.0.419 and .NET 9.0.312 SDKs released on March 10, 2026.

不具合の修正

• Corrected an issue which could prevent legacy TLS 1.0 connections on Windows 7 and Windows 8 platforms.
• Reverted an internal optimization related to using older versions of the Schannel API when negotiating for a specific version of TLS.
• Corrected an issue which could cause an unhandled exception when establishing an HTTP/2 connection.
• Corrected an issue which cause the MIME parser to not decode quoted-printable text correctly with some HTML-formatted messages.
• Changed the MIME message parser to be less strict when normalizing whitespace in header values, such as email addresses and message subjects.
• Changed the FtpChangeDirectory function and ChangeDirectory methods for SFTP connections to be consistent with FTP/FTPS connections.
• Corrected an issue where OMF libraries may not be created correctly from the COFF import libraries.
• Corrected an issue where the release build of the 64-bit IMAP library was not digitally signed.
• Minor updates and corrections to the HTML Help and PDF documentation.