Clarify sixel support on Windows, mention conpty version

Fixes #198622

src/vs/workbench/contrib/terminal/common/terminalConfiguration.ts

@@ -460,7 +460,7 @@ const terminalConfiguration: IConfigurationNode = {
 			default: true
 		},
 		[TerminalSettingId.ExperimentalWindowsUseConptyDll]: {
-			markdownDescription: localize('terminal.integrated.experimentalWindowsUseConptyDll', "Whether to use the experimental conpty.dll shipped with VS Code, instead of the one bundled with Windows."),
+			markdownDescription: localize('terminal.integrated.experimentalWindowsUseConptyDll', "Whether to use the experimental conpty.dll (v1.20.240626001) shipped with VS Code, instead of the one bundled with Windows."),
 			type: 'boolean',
 			default: false
 		},
@@ -590,7 +590,7 @@ const terminalConfiguration: IConfigurationNode = {
 		},
 		[TerminalSettingId.EnableImages]: {
 			restricted: true,
-			markdownDescription: localize('terminal.integrated.enableImages', "Enables image support in the terminal, this will only work when {0} is enabled. Both sixel and iTerm's inline image protocol are supported on Linux and macOS, Windows support will light up automatically when ConPTY passes through the sequences. Images will currently not be restored between window reloads/reconnects.", `\`#${TerminalSettingId.GpuAcceleration}#\``),
+			markdownDescription: localize('terminal.integrated.enableImages', "Enables image support in the terminal, this will only work when {0} is enabled. Both sixel and iTerm's inline image protocol are supported on Linux and macOS. This will only work on Windows for versions of ConPTY >= v2 which is shipped with Windows itself, see also {1}. Images will currently not be restored between window reloads/reconnects.", `\`#${TerminalSettingId.GpuAcceleration}#\``, `\`#${TerminalSettingId.ExperimentalWindowsUseConptyDll}#\``),
 			type: 'boolean',
 			default: false
 		},