Made Quit buttons on the toolbar actually work, not just not crash.
Added support for delsp parameter to format=flowed, since Apple is using it despite it not being documented.
Ding, dong the delivery folder bug is dead.
Improved error reporting around mail delivery.
IMAP - ALERT messages from the server are now displayed in the task progress window.
Can no longer drag images to inline sigs (they wouldn't get sent).
Fixed problem where incorrect password would lead to no new mail alert.
Do not allow @ sign in mail host.
Refuse to allow user to give personality an empty name.
Understands all-caps name as family name when making nickname.
Added pref to always make nickname beginning with family name (<x-eudora-setting:318=2>).
Incorrectly basing availability of "Finish Entry" on the speak feature.
No longer transmitting bad type & creator info from OS X.
Added X-Habeas to list of headers to ignore.
Can add Quit to toolbar now.
Buttons in toolbar button configure dialog work.
Cancel button right size in toolbar button configure dialog.
Tidied button sizes in the registration nag.
Fixed one source of mail filtering delay.
Fixed occasional hang at startup in upper/lower plug-in.
SSL for OS X 10.2 and later.
Fixed crash when a Search window open, Mailboxes window closed, and read/unread status of IMAP personality changes.
IMAP - no longer allows user to select Inbox as imap trash.
IMAP - cleaned up Choose Trash dialog.
Won't quit out from under modal dialog in OS X.
Fixed buttons in Link to URL dialog.
Added "@personality" function to x-eudora-setting url's.
Allow entourage mailboxes to be sucked up if put in Delivery Folder.
Fix for misguided 452 error code in SMTP spec.
Fixed size of "Generate Info" button in usage stats request.
Clicking preview disclosure triangle  of mailbox on 2nd monitor with toolbar in vertical position could cause mailbox window to disappear.
Another fix for crashing during graphic downloads.
MenuSharing now carbonized, so Web Confidential & friends work.
Intersects Nick filter verb now uses popups to specify file.
Draw the toolbar window with a border.
Fixed crash when downloading and displaying HTML graphics.
Restored "start notifying" apple event, which became lost in carbonization.
Now preserving > if it appears in nickname fields.
Intersects address book now includes "Other Email Addresses", too.
Fixed ancient problem regarding paths to mailboxes.
Viewing a message that includes an animated GIF and at least one other graphic, clicking anywhere on the screen would cause the animaget graphic to be displayed in another application (such as Preview).
Fixed preference for where windows open after mail checks.
IMAP - fixed another potential crash when transferring messages to the server.
Can now filter on is/isn't in address book.
Eliminated redundant error messages around nickname history additions.
Add addresses used from ph to history list.
Tweaked error reporting for Kerberos IV ticket failure.
Allowing resource plug-ins to be aliased.
Fixed problem with POP/SMTP GSSAPI random auth failures.
Added LOG_PROTO to record protocol info but not user data.
Fixed crash in IMAP in 5.2a2.
Fixed crash that would occur when trying to fetch graphics from hostnames with user info prepended.
Fixed crash using Settings Prefill with setting 3 (POP host).
Made X-Sender behave properly wrt GSSAPI.
Eudora recognizes sounds in ~/Library/Sounds.
Fixed crash when imap server supports Kerberos but it isn't installed on the Macintosh.
Fixed xtnd xmit, which GSSAPI briefly broke.
Fixed intermittent failure to save editted subject.
Added help button to task error items.
Added help button to all standard alerts to take user to Eudora's tech support web pages.
Fixed option to not display PDF files inline.
Fixed double-click of PDF files.
Option-on selection translator converts flowed to wrapped quotes before translation.
Drag filter files to the filters window.
Drag & Drop from the filters list; creates a filters file.
Searches for international characters work, albeit slowly.
Added setting 357 to allow Eudora to disable bulk searches; default OFF.
Classic plug-ins now work under Carbon Eudora under MacOS Classic.