Actually, it looks like the Sense 2018 ROMS are posted, the topic has not been updated but the ROMs are present if you click on the download link.
Not by any means official for the Imagio, but I grabbed this change log from the TP2 Energy release forum since ours has not been recently updated:
August 13th, 2010- Build 23129 (official, shipped version from Oboe)
- Added automatic SMS threading disable to XDA_UC script to help with SMS message order when restoring from PIM backup file
- Sense 2018 build from the latest Oboe device ROM
- Lockscreen updated to HTCLockScreen_2_0_20173832_00
- New colorful icons in Sense (2nd levels only)
- Timezone and time settings problems hopefully fixed, timezone popups are eradicated for good.
- A couple more GTX bugs fixed
- New way of cooking the 23129 ROM to minimize freezing(hopefully) and increase speed.
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August 10th, 2010
- Build 23128 (official, shipped version, no BETA's here)
- Disabled keypad tones (in dialer) by default
- Added Gore WMP skin to GTX family of ROMs
- Added Lycos Calculator skin to GTX ROMs
- Added Transparency to Weather tab in GTX ROMs
- Add HTC NOtification Manager GTX style skin
- Removed non-working Burst and Sports modes from Camera
- Added ability to switch OFF Android style lockscreen (Settings > Personal >Lockscreen switch)
August 6th, 2010
- Updated Facebook tab to 1.6 files from meltwater. Scrolling and the general speed of the facebook tab has been MUCH improved
- Updated to the lastest facebook tab for VGA ROMs as well.
- Poweroff warning in Dinik Action screen fixed
- Actionscreen in GTX/Dinik ROM is white
- Added "HTC" folder on Start menu with shortcuts to Sense tabs for easier access
- Improved and sped up startup routine (XDA_UC now runs BEFORE Sense launches)
- Removed "timezone page" popup (it was too annoying)
- Slide2Shutdown replaced with quickshutdown (it's much quicker..)
- Automatic touchscreen calibration data importing (from storage card) and bypassing alignment screen if data found, functionality added to devices that require screen calibration (You can find the utility in Settings\Personal\TouchScreen calibration
- Following packages are being updated from the latest Shipped (official) Huashan 1.01 ROM
- AdobePDF_2_5_1_0_404840_06
- RSSHub_2_1_2_1115_01
- Boot_Launcher_1_0_20143626_2
- AppointmentEditor_1_0_20163010_0
- Audio_Manager_Engine_2_0_20173725_h
- Contact_Picker_1_0_20172921_00
- GroupEditor_1_0_20172326_00
- HTCBookmark_1_0_20173214_0
- New_Contact_Card_1_1_20173626_0
- HTCGeoService_1_0_20171626_00
- MP3_Trimmer_1_2_20163610_0 (brand new interface! )
- Voice_Recorder_2_0_20173229_1
- Quick_GPS_2_0_20162513_00
- Teeter_2_2_20153632_p0
- Email_Setup_Wizard_2_3_20163221_21
- Calculator_1_1_20171114_0
- Audio_Booster_2_5_20173128_01
- CMWifiAdvanced_1_0_5_1
- USB_To_PC_Pop_Up_2_3_20171924_00
- Wi-FiWizard_1_44_0_0
- Message_Enhancement_1_2_20172320_00