Changes since 2.5.2 (to 2.6.0)
Breaking Changes
- SoftwareSerial constructor - will be fixed in 2.6.1
Great additions
- Ets intr lock nest (#6484)
This great fixing PR has - among others - closed the old infamous #2330 - Add LittleFS as an optional filesystem w/subdirectories, API compatible w/SPIFFS and SDFS
(but not on-flash-format compatible) (#5511)
Build System
- Update esptool reset method (#6429)
- Fix Python3 errors for device tests (#6670)
- Dynamically find the Python3 dir on Windows (#6646)
- esptool-2.7 (#6634)
- CI: trusty (u14.04) -> bionic (u18.04) (#6627)
- remove esptool.py --trace option (#6606)
- prepare alpha channel release builder (#6512)
- Move all PSTRs to own section, allow string dedup (#6565)
- use arduino IDE stable in CI (#6572)
- Add 20/26MHz Flash frequencies for slow/cheap flash chips on the Generic ESP board (#6552)
- Add segment size printout to standard build process (#6525)
- Fix tool name to point to proper JSON entry (#6513)
- Run makecorever.py before specific prebuild hooks. (#6504)
- Add Win32 build to CI system (#6493)
- Add OSX build to CI, fix OSX builds (#6492)
- Fix the python3 directory so scripts work on Win32 (#6472)
- Move all scripts and documentation to Python3 (#6378)
- fix arduino builder command line (#6461)
- Prevent rewriting core_version.h if content unchanged (#6414)
- esptool: 3M-baud serial upload speed (#6399)
- Move to -std=g++11 from -std=c++11 (#6339)
- Upgrade to 2.5.0-4 toolchain w/improved pgm_read_x, C++ exceptions (#6273)
- Clean tools key of obsolete version on next release (#6258)
- esptool.py: disable 9600bauds in menu for flash upload serial speed (#6292)
- Prepare signing before sketch is compiled (#6287)
- Refactored to avoid compiler warning (#6278)
- Make SPIFFS be an integer number of blocks (#5989, #6537)
- Updater signature validation - format incompatible w/RFC8017 (#6250)
- Fix device test environment variables (#6229)
- Expand gitignore to cover files created by Visual Micro (#6231)
- Update mklittlefs to match library (#6230)
- filter weird characters from esp output to python (#6226)
- Add some more CI tests for String::replace (#6193)
- IDE menu info: change SPIFFS -> FS and show max OTA size (#6159)
- emulation on host updates (#6210, #6211, #6248, #6327, #6342, #6507)
Core
- Add missing time.h include, use relative include path on time.h includes (#6730)
- Save 16 bytes RAM by placing esp8266_gpioToFn (core_esp8266_wiring_digital.cpp) array in PROGMEM (#6703)
- precache() - preload code into the flash cache (#6628, #6674)
- Double I2C read in one transaction skips a clock pulse (#5528) (#6654)
- Move cont_run/cont_yield out of IRAM (#6617)
- NTP-TZ-DST example: list SNTP servers (#6611)
- Remove duplication and incompatible declarations in sntp.h (#6610)
- cleanups in ESPClass (#6608)
- Cleanup base64::encode functions (#6607)
- use a scheduled function for settimeofday_cb (#6600)
- Fix pgm_read_float_unaligned macro (#6593)
- Base64::encode : const correctness / String by reference passing (#6581)
- Replace ASM block w/C macro for PSTR (#6577)
- Speed up empty String creation slightly (#6573)
- const correctness / String by reference passing cleanups (#6571)
- Remove duplicated sha1 implementation (Fixes #6568) (#6569)
- Add typedef for putc1, fn_putc1_t. (#6550)
- Add time to filesystem API (#6544)
- Add memmove_P, use it in String to ensure F() safety (#6514)
- Support FS update in two steps (#6505)
- Add ::updateBaudRate(unsigned long baud) to change the baudrate after begin was called (#6494)
- Update UART selection for Boot ROM ets_putc, when debug port is selected. (#6489)
- Wakeup delayed scheduling (#6485)
- Inline ESP::getCycleCount() to make it safe to call from ISRs (#6477)
- move timer functions to iram (#6466)
- Allow Print::println() to work with PROGMEM strings (#6450)
- Update core with upstream umm_malloc (#6438)
- Remove ROM routines from libc.a, save progmem (#6432)
- Fix reverse dependency core Updater -> library ESP8266WiFi (#6398)
- ensure consistency for gdb hooks signatures (#6391)
- Uncouple uart from GDBStub library (#6390)
- fix _min and _max macros (#6374)
- time: import IANA timezone definitions, expose SNTP API (#6373)
- Refactor HardwareSerial.cpp for consistent use of PolledTimeout (#6371)
- wstring: fix concatenation from flash (#6368)
- enable puya support by default (can be disabled with -DPUYA_SUPPORT=0) (#6362, #6619)
- Preserve prior bitrate for I2S begin (#6349)
- Add a FS::check() optional method (#6340)
- tools: fixed bug to select signed bin (#6334)
- exceptions: optionally enforce c++ standards (#6333)
- Reduce the IRAM usage of I2C code by 600-1500 bytes (#6326)
- Clear updater state on any error (#6325)
- Add
using fs::SPIFFSConfigto FS.h (#6324) - Don't throw exceptions from operator new by default (#6312)
- Make delay() and loop_end() weak functions (#6306)
- Added memory fence to xt_rsil() (#6301)
- Fix for future GCC 9.1 warnings (except Ticker.h, gdbstub) (#6298)
- Create (set/is)empty methods for String class (#6293)
- Fix raise_exception() (#6288)
- proposed umm_malloc improvements (#6274)
- Clean up code to build under GCC7, fix pgm_read_unaligned (#6270)
- Clean up trivial gcc -wextra warnings (#6254)
- using std::nothrow instead of malloc (#6251)
- Do not call yield() from timedRead() or timedPeek() when _timeout is set to 0. (#6242)
- Put InterruptLock (from interrupts.h) into namespace esp8266 to fix now and future (#6225)
- Move umm_malloc back to IRAM (#6161)
- Make SSO support \0s, use memmove, add test (#6155)
- Add FS::info64 call for filesystems > 4GB (#6154)
- Bugfix: attach interrupt (#6049) (#6048)
- add regular scheduled functions (#6039, #6137, #6147, #6158, #6214, #6228, #6233)
- Implementation of a generic CallBackList (#5710)
- Serial.flush modification (#5293)
Style
SDK
Boards
- board filter support (+ iTead sonoff, ESP-Mx boards) (#6643)
- Adds SparkFun Blynk Board (#6713)
- Fix espduino verbose upload (#6426)
- Allow use of LED16 for generic boards (#6343)
Library - ESP8266WiFi
- Add wait loop at the end of WiFi::mode (+refactor can_yield) (#6721)
- ClientContext: restore use of two different pending booleans for connect and write #6483
- standardizes processing of _delaying in lwIP callbacks (remove assert) (#6460)
- lwIP-1.4: use fixed locking functions (#6455)
- ClientContext: break timeout delays also on error while writing or connecting (#6454)
- new network feature: NAPT (widely known as NAT) (#6360)
- Experimental: add new WiFi (pseudo) modes: WIFI_SHUTDOWN & WIFI_RESUME (#6356)
- udp remote pbuf helper: honor fragmented packets (#6222, #6263)
- TCP connect and send delay fix (#6213)
- lwip2: fix setting static ip address (#6194)
- Add timeout to STA::waitForConnectResult (#5371)
- added public cleanAPlist() function (#4107)
Library - ESP8266WiFi (SSL/TLS)
- Fix WiFiClientSecure::available() blocking on dropped connections (#6449)
- Set method _connectSSL as protected (#6424)
- SSL: Fix Crash with basic ciphers (#6402)
- Update to latest BearSSL (#6337)
- SSL: Add a dump of received FP and CERT when in debug mode (#6300)
- Update axtls libs with fix for #6260 (#6262)
- Fix mixup with boolean/bitwise or for BSSL probing (#6252)
- Add an EC keyed certificat to BearSSL Server example (#6202)
- Obey the BASIC_SSL request for TLS servers (#6187)
- Added BR_OPT_NO_RENEGOTIATION flag to forbid TLS renegotiation (#6165)
- 64 bytes more free by moving DES init constants to flash (#6160)
- Save 484 bytes of heap foe BSSL applications (#6157)
- Add basic canary check to BSSL stack thunk (#6156)
- Expand BSSL stack to 5750 bytes (#6153)
- Make CertStore natively use File interface (#6131)
Library - ESP8266WebServer
- Fix trivial extra "\n" on web update success (#6350)
- Add HTTP_HEAD to HTTPMethod and parse it (#6413)
- Add plain char* signatures WebServer::sendContent (#6341)
- webserver: restore legacy request handler (#6321)
- allow for authentication with H(A1) with example (#6020)
- Convert ESP8266WebServer* into templatized model (#5982)
- fallback onto index.html if index.htm fails (#2614)
- POST web server example (#2705)
Library - ESP8266HTTPClient
- Fix build with -DHTTPCLIENT_1_1_COMPATIBLE=0 (#6597)
- Fix setURL() handling of path-only parameters (#6570)
- BasicHttpsClient: Updated demo certificate fingerprint (#6462)
- Bugfix/esp8266 http client (#6176)
- Infinite loop while passing File(FS.h) resolved (#5038)
- Added possibility of sending POST with empty payload (#4275)
Library - mDNS
- fix legacy unicast responses (#6613)
- Clean up remaining non-LeaMDNS diffs from gcc4.8 to gcc7.2 (#6279)
- fix random crash on startup (#6261)
- restriction to a single interface (#6224)
Library - SPI
- Set SPI_HAS_TRANSACTION to 1 (#6591)
- Spi slave improvments (#6580)
- SPI: wrong value for setFrequency() (#6409)
Library - Ticker
- Ticker: Fix callback casting. (#6282)
- Ticker: Use placement new for ETSTimer - no heap fragmentation (#6164)
- The use of bind in Ticker.h is prone to type inference failure (#6129)
Libraries
- EspSoftwareSerial release 5.4.0 with performance/error rate improvement in TX (#6722)
- Update EEPROM.cpp (#6556, #6599)
- Put more string literals into PROGMEM (#6588)
- add or improve some debug messages (#6508)
- OTA: fixed no "OK" ACK for Signed Update (#6351)
- FS: Update LittleFS/SdFat to current project head (#6345)
- ConfigFile: Updated Example to use ArduinoJson6 (#6203)
- DNSServer: Add support for newer mobile OS changes. (#5529)
- ESP8266HTTPUpdate: Added Chip ID into HTTP header in lib (#3877)
- ESP8266HTTPUpdate: Allow Filesystem update (#3732)
Documentation
- Re-wording of ATOMIC_FS_UPDATE documentation (#6693)
- Update installing.rst (#6625)
- Installing (#6624)
- Minor FS documentation change from #2904 (#6563)
- Add interrupt section to docs (#6560)
- Add info about installing python3 on Mac, Linux (#6558)
- Update EEPROM library documentation (#6548)
- Edited OTA readme, added Stream Interface snippet (#6487)
- Fix the number of examples (#6407)
- Grammar edits in documentation (#6401)
- fix documented parameter (#6392)
- Update WiFiServer docs for ::write(all clients) (#6338)
- Fix typo in doc (#6313)
- Minor doc update, "How to make a PR" link (#6297)
- add documentation to scheduled functions (#6234)
- Fix editing, typos and grammatical errors (#6207)
- Document ISRs need ICACHE_RAM_ATTR before them (#6141)