Gammu1.26.91 has been just released. This release improves SMSD filtering capabilities, fixes lot of bugs and introduces several workaround for broken phones.
Full list of changes:
Fixed parsing of vCards with lowercase types (bug #1006).
Handle forward references in Nokia phonebook (bug #1009).
Save timestamp to SMS backup for all messages.
Store PDU type in SMS backup.
More flexible handling of exclude/include lists in SMSD.
Add support for external list of exclude/include numbers (bug#1008).
Workaround decoding of messages padded by 0xFF by phone.
Roadmap for Gammu and Wammu has been just published. Right now it contains just basic information about next releases, but in future it is expected to include more details about next few releases. It will allow users and application developers to be prepared for some changes longer in advance. Also if you are interested in helping with some listed feature, you are welcome to help!