Current Status

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Latest versions


Component Version
Core 1.3.271 (Cucumber release)
FPC 3.1.1 revision 32846
Lazarus 1.6RC1

Please note: Unless otherwise stated the information contained in the tables below applies to all supported platforms.

RTL support


Unit Status Priority Effort Notes Documentation
System Complete Some non relevant features not implemented Free Pascal documentation
SysUtils Complete Some non relevant features not implemented Free Pascal documentation
Classes Complete Free Pascal documentation
Crt Complete Free Pascal documentation
Dos Complete Free Pascal documentation
Objpas Complete Free Pascal documentation
Iso7185 Complete Not tested
Extpas Complete Not tested
Strings Complete Free Pascal documentation
Math Complete Many functions not tested Free Pascal documentation
Fgl Complete Free Pascal documentation
Macpas Complete Not tested
Typinfo Complete Free Pascal documentation
Types Complete Free Pascal documentation
RtlConsts Complete
Getopts Complete Not tested Free Pascal documentation
Lineinfo Complete Not tested Free Pascal documentation
Ctypes Complete Free Pascal documentation
Charset Complete Not tested Free Pascal documentation
Character Complete Not tested Free Pascal documentation
Fpwidestring Complete Not tested Free Pascal documentation
Unicodedata Complete Limited testing Free Pascal documentation
Unicodenumtable Complete Limited testing
Uuchar Complete
Softfpu Incomplete Low Moderate
Ufloat128 Incomplete Low Minor
Heaptrc Incomplete Medium Unknown Unknown if this can be made to work with HeapManager Free Pascal documentation
Exeinfo Complete Not tested Free Pascal documentation

Package support


Package Status Priority Effort Notes Documentation
Bzip2 Complete Limited testing
Chm Complete Limited testing Free Pascal wiki
Fastcgi Complete Limited testing
Fcl-base Complete Limited testing Free Pascal wiki
Fcl-db Complete Limited testing, includes driver for SQLite3 Free Pascal documentation
Fcl-extra Complete Limited testing Free Pascal wiki
Fcl-fpcunit Complete Limited testing Free Pascal wiki
Fcl-image Complete Includes FreeType2 (True Type Font) support Free Pascal wiki
Fcl-js Complete Limited testing
Fcl-json Complete Limited testing Free Pascal documentation
Fcl-net Complete Limited testing Free Pascal wiki
Fcl-passrc Complete Limited testing Free Pascal wiki
Fcl-process Complete Dummy only Free Pascal documentation
Fcl-registry Complete Limited testing Free Pascal wiki
Fcl-res Complete Limited testing Free Pascal wiki
Fcl-sdo Complete Limited testing
Fcl-sound Complete Limited testing
Fcl-stl Complete Limited testing
Fcl-web Complete Limited testing Free Pascal wiki
Fcl-xml Complete Limited testing Free Pascal wiki
Fpmkunit Complete Limited testing
FV (FreeVision) Complete Free Pascal wiki
Hash Complete Limited testing Free Pascal wiki
Hermes Complete Not tested Free Pascal wiki
Libtar Complete Limited testing Free Pascal documentation
Pasjpeg Complete Limited testing
Paszlib Complete Limited testing Free Pascal wiki
Regexpr Complete Limited testing Free Pascal wiki
Rtl-console Complete
Rtl-extra Complete Limited testing
Rtl-objpas Complete Limited testing
Rtl-unicode Complete Limited testing
Sqlite Complete Free Pascal wiki
Symbolic Complete Not tested
Unzip Complete Limited testing Free Pascal wiki
All others Incomplete Unknown Unknown Most require libraries or platform specific features

Feature support


Feature Status Priority Effort Notes
Heap Complete
Threads Complete
Spin locks Complete
Mutexes Complete
Semaphores Complete
Critical sections Complete
Events Complete
Synchronizers Complete Synchronizer is a multi reader single writer lock
Thread messages Complete
Messageslots Complete
Mailslots Complete
Buffers Complete
Thread variables Complete
Thread lists Complete
Thread queues Complete
TLS indexes Complete
Exceptions Complete
Timers Complete
Workers Complete
Clock Complete
Timezones Complete
Interrupt IRQ Complete
Interrupt FIQ Complete
System calls (SWI) Complete Requires update of handler to support new model
Page tables Complete
Vector tables Complete
Shutdown restart Complete Requires an interface to register shutdown handlers
Devices Complete
Console Complete Provides multiple text mode console windows including bitmap font and scrolling support
Fonts Complete Selection of fonts available plus font tools
Graphics console Complete Provides graphics mode console windows with pixel image and DMA rendering support
Keyboard Complete
Mouse Complete
Touch Complete Needs correct handling of scaling and calibration
Keymaps Complete Keymaps included for US English, German, Spanish, French, UK English and US International
Code Pages Implemented Medium Moderate Functional but requires additional work
Unicode Implemented Medium Moderate Functional but requires additional work
Locales Incomplete Medium Moderate Some initial support APIs completed
Cryptography In progress High Moderate
Static C libraries Complete Includes Ultibo specific builds of libc.a and libm.a
Static C++ libraries In progress High Moderate
Dynamic libraries In progress High Moderate Includes support for loading .so and .dll files at run time

Device support


The table below refers to generic support for the device protocol and functionality, for specific details of supported hardware devices please see the Supported Hardware page.

Device Status Priority Effort Notes
AHCI Incomplete Medium Moderate
ATAOE Incomplete Low Moderate
ATAPI Incomplete Medium Moderate
Bluetooth Incomplete Medium Major
Clock Complete Multiple clock source drivers included
DAB Incomplete Low Major
DMA Complete
DVB Incomplete Low Major
EHCI Incomplete Medium Moderate
Framebuffer Complete
GPIO Complete
HDMI CEC Incomplete Medium Unknown CEC (Consumer Electronics Control) over HDMI. Seems to require support of the VideoCore IV GPU.
1-Wire Incomplete Medium Moderate
I2C Complete
I2S Incomplete Medium Moderate
iSCSI Incomplete Low Moderate
MMC/SD Complete Requires support for eMMC and SDIO
PWM Complete
RTC Complete Driver available for DS1307 chip
Serial Complete
SPI Complete
Counters (Timers) Complete Driver included for ARM timer on all Raspberry Pi models
TFT LCD Complete Drivers included for HX8357D and ILI9340 based SPI displays
UART Complete
USB Complete Isochronous transfers not supported yet
USB Hubs Complete
USB Keyboard Complete
USB Mouse Complete
USB Storage Complete
USB CDC (Serial) Complete
USB Firmware (DFU) Incomplete Medium Moderate
USB Audio Incomplete Medium Moderate
USB Video Incomplete Medium Moderate
VideoCore IV GPU Incomplete High Major
XHCI Incomplete Medium Major

Filesystem support


Device Status Priority Effort Notes
CDFS Complete Includes write support for creating ISO images
CIFS Incomplete Medium Moderate
EXTFS Incomplete Medium Major
FATFS Complete Includes FAT12/16/32 and long file name support
NFS Incomplete Medium Moderate
NTFS Complete
RAMDisk Complete

Networking support


Device Status Priority Effort Notes
ARP Complete
DHCP Complete
DNS Complete
FTP Incomplete Medium Moderate
HTTP Complete
ICMP Complete


ICMPv6 Incomplete Medium Moderate
IGMP Incomplete Medium Moderate
IMAP4 Complete
IP Complete
IPv6 Incomplete Medium Moderate
POP3 Complete
NTP Complete
SIP Incomplete Low Moderate
SMTP Complete
SSH Incomplete Medium Moderate Requires Crypto support
SYSLOG Complete
TCP Complete
Telnet Complete
UDP Complete
WiFi Incomplete High Major