[Samsung Galaxy Star] corphish:
Changelog

[B]Beta 4_r2 - 9 March 2016[/B]
-It fixes all the stuff which broke in beta4, but were working in beta3.
--Fixed in call audio volume.
--Fixed WiFi tethering.
-Source underwent major cleanup again, we have eliminated most of the source patches, which are now device specific units.
--Compiled Camera, HWComposer from source.
--Detached MemoryHeapIon from binder and compiled it as separate unit.
--We now have our own RIL class. No source hacks to get RIL working.
-Fixed the weird 'No resources found' like message in recovery while flashing.
-Added WiFi direct permissions.

[B]Beta 4 - 20 February 2016[/B]
-Fixed Bluetooth.
-Fixed Bluetooth tethering.
-Fixed Offline charging.
-Fixed Dual SIM.
-Fixed data subscription (2nd SIM mobile data)
-Fixed reboot to recovery.
-Fixed more dalvik VM related memory issues (like app crashes).
-Fixed artifacts observed while screen rotation.
-Fixed black preview in Camera app, glitches in dialer app.
-Activated HW Rendering.
-Fixed audio recording.
-Audio HAL is compiled from source, is AOSP compatible, but may have limitations because all Samsung's optimizations (if any) in Audio HAL is gone.
-Added more SPRD specific OMX libs.
-Compiled various EGL related blobs from source, updated some of them.
-Compiled sensors HAL from source.
-SELinux is enabled and is now enforcing.
-Picked various critical fixes in kernel from @psych.half 's kernel.
-Switched to GCC 4.7, which is the default toolchain in CM.
-Removed various debugging in kernel.
-Implemented @psych.half's CPUFreq driver (min - 1000Mhz, max - 1200 Mhz).
-Enabled ondemand and powersave governor.

[B]Beta 3 - 24 January 2016[/B]
-Fixed Mobile Data.
-Fixed WiFi tethering.
-Fixed USB Tethering.
-Fixed audio routing to loudspeaker and headphones during call when switched to.
-Fixed various app crashes, app installation issues and memory related issues.
-Updated kernel to latest of works by @psych.half

[B]Beta 2 - 18 January 2016[/B]
-Fixed External storage (thanks to [MENTION=220904]andi[/MENTION]i_nr)
-Switched to updated kernel (updated meaning updates from both stock and kernel patches) by @psych.half. This should fix the brightness bug and the battery bug that some users face. WiFi driver is also updated.
-Fixed IMEI for good. IMEI is now detected the way it is done on any android phone. No need to use any apps for that.
-Fixed USSD dialing/receiving.
-Switched to single-SIM mode (because dual SIM is broken).
-Remove loads of unneeded services.

[B]Beta 1 - 12 January 2016[/B]
-mint -> mint2g
-Fixed battery, its status and everything related to it.
-Fixed Web Browsing and related stuff.
-Updated ramdisk.
-Enabled CPU frequency scaling in kernel.
-Enabled KSM (Kernel Samepage Merging).
-Applied fixes for external storage by [MENTION=220904]andi[/MENTION]i_nr (Needs confirmation)
-Initial fixes for RIL.

[B]Alpha 2 - 25 December 2015[/B]
-Fixed audio (both from speakers and headphones).
-Fixed HWComposer.
-Fixed EGL crashes and random reboots.
-Fixed camera to some extent (it starts, but cant save pics).
-Camera HAL included is new one compiled from source (BETA version, some more features than the stock HAL).
-Fixed microphone to some extent (it starts listening, but does not record anything).
-Switched to de-odexed builds.
-Updated blobs.

[B]Alpha 1 - 18 December 2015[/B]
-Initial release.

Tracker

Its hard for me to remember all the stuff I fixed in the meantime. So I will update this post (hopefully) with the stuff that has been fixed and will be available in next update.

Following things have been fixed and will be available in next update :

Re-fixed WiFi tethering.

Fixed in-call loudspeaker volume.