Release Notes: MetaTrader 4

New MetaTrader 4 Client Terminal Build 216 has been released.

What's new:
1. Tester: Provided correct initialization/deinitialization of libraries used by the Expert Advisor under test, at repeated passes and at optimization.
2. Tester: Fixed the triggering of Sell Limit orders when tested by open prices.
3. MQL4: Eliminated memory leaks occurring when referencing outside a string array.
4. When placing an order by Market Execution, disabled the feature of entering the values of SL and TP, the corresponding fields are blocked.
5. Fixed error of losing the data of off-line charts when attaching MQL4 scripts to such charts.

New MetaTrader 4 Client Terminal Build 215 has been released.

What's new:
1. MQL4: Fixed error of constant string concatenation (Expert Advisors and scripts compiled in build 213 must be recompiled).
2. MQL4: Fixed error of the reinitialization of global and static variables of MQL4-libraries.
3. MQL4: Fixed memory leak when resizing of string arrays.
4. MQL4: Fixed memory leak when accessing out of range of string arrays.
5. Tester: Fixed error of generating ticks in candlesticks with volume 4–6 and with one shadow absent.

New MetaTrader 4 MultiTerminal Build 213 has been released.

What's new:
1. Fixed error of volume distribution when opening positions for accounts with different deposit currencies.
2. Fixed error that caused terminal failure at a disabled Multiple Close By mode.
3. The digital signature of our company is added to all executable files.

New MetaTrader 4 Client Terminal Build 213 has been released.

What's new:
1. Tester: At strategy optimization, fixed check of testing limit triggering, if there are no open positions.
2. Tester: Disabled check of testing limits at genetic optimization.
3. Tester: Optimized history uploading.
4. Tester: Fixed error of displaying the spread in the settings of the symbol under test.
5. Tester: Fixed triggering check for stop orders and pending orders.
6. MQL4: Fixed optimizer error. In some cases, it committed inaccuracy in dividing a number with floating point by a constant.
7. MQL4: Fixed error of the function GlobalVariablesTotal(). The function always returned 0, if there were no calls to the list of global variables.
8. MQL4: Fixed error of the function iBarShift(), in some cases of search for zero bar in monthly timeframes.
9. MQL4: Fixed error of memory overflow when calling to the function функции iStdDevOnArray().
10. MQL4: Fixed operation of the function IsConnected().
11. Fixed error of reading the parameter of naming fonts for text labels.
12. MetaEditor: Added Chinese Dictionary.
13. The digital signature of our company is added to all executable files.

New MetaTrader 4 Mobile build 211 and MetaTrader 4 Mobile SE build 211 with fixed displaying of news in the Japanese language have been released.

New MetaTrader 4 Client Terminal Build 211 and MetaTrader 4 MultiTerminal build 210 have been released.

What's new in MetaTrader 4 Client Terminal Build 211:
1. MQL4: Fixed operation of function FileWriteString(). Now it works accurately to the documentation: В«If the string to be written is shorter than the given value, it will be extended by binary 0s up to the given length.В»
2. MQL4: Fixed error of passing string parameters into the imported functions of mql4-libraries.
3. MQL4: Fixed error of releasing histories of others' symbols or timeframes after the Expert Advisor has been unloaded. Now the terminal releases the used memory in a minute after unloading of the EA.
4. MQL4: Fixed function MarketInfo() with parameter MODE_TICKVALUE. The returned value is not normalized anymore.
5. MQL4: Fixed error of forming variable last_error when calling an existing global variable using function GlobalVariableSetOnCondition().
6. Tester: Fixed error of recalculation in optimization when using data from another trade server. Now, if another trade server is used, the data will be recalculated.
7. Tester: Fixed displaying of the optimization graph by profit factor.
8. Tester: Modified algorithm of feeding the data preceding the test start date. Now 1000 bars will be added when any historical data are requested.
9. Tester: Improved data modeling algorithm. Ticks for bars with the volume of 4–6 are modeled more precisely. Fixed error of a false tick appearance at the beginning of the generating sequence when using dates «From» and «To».

In the new MetaTrader 4 MultiTerminal build 210, the error of empty symbol list at defining alerts was fixed.

New MetaTrader 4 Mobile SE build 210 has been released.

What's new:
1. Optimized arrangement and size of control elements in dialogs for smartphones with resolution 320x240.
2. Optimized menu of hardware buttons for smartphones with resolution 320x240.
3. Fixed error of focus loss at order canceling.

New MetaTrader 4 build 210 has been released.

What's new:
1. Fixed displaying of profits В«as Term CurrencyВ» for futures.
2. Tester: removed the checkbox В«RecalculateВ». Now the testing sequence is generated each time anew at clicking В«StartВ».
3. Tester: improved the generation algorithm in every tick modeling mode.
4. Tester: improved the change of quotes receiving speed at visual testing.
5. Tester: added counting and displaying errors of lower timeframes mismatch at testing sequences generation.
6. Tester: changed the formulations, describing modeling modes. Added into the tester report notifying messages when using modes of modeling В«control pointsВ» and В«open prices onlyВ».
7. Tester: changed the algorithm of formating the final value of an optimized parameter. Now 0 can be indicated as this value.
8. MQL4: fixed MessageBox() function operation in endless cycled scripts.
9. MQL4: fixed memory leakage at the attempt to access a non-existent custom indicator from the Expert Advisor.
10. MQL4: fixed error of transforming a constant date, falling on 1970.01.01.
11. MQL4: fixed compiler error in processing the bit operation NOT with constant expression.
12. Replaced the hot key of current profile changing. Instead of F5 now Ctrl+F5 should be used.
13. Improved the formation of a balance chart when displaying the trades history report. Now pending orders are not displayed on the chart.
14. Added the Estonian Language.

New MetaTrader 4 build 208 has been released.

What's new:
1. Tester: Fixed generation of one-minute data if the volume is equal to 6.
2. Tester: Now reports includes the name of trade server and the build of terminal.
3. Fixed error of saving of chart as picture.

New MetaTrader 4 build 207 has been released.

What's new:
1. Fixed considering of leap days when setting data in inputs and in Expert Advisor’s source codes.
2. MQL4: Fixed error names in stderror.h
3. MQL4: Added optimization when working with strings.
4. MQL4: Fixed processing of literals for date D’ and color N~’ when using them in macro substitutions and in substitutions of custom indicator’s properties.
5. Fixed rectangle drawing when setting too large coordinates.
6. Improved vertical scaling of charts using the mouse.
7. In the chart context menu, price levels are set considering the symbol’s tick size.
8. Tester: At generation, introduced considering of the tick size for the symbol under test.
9. Tester: At testing, the zero bar of another symbol is always in its initial state (O=H=L=C, V=1).
10. Tester: At optimization, the identical pass results are not shown in the report.
11. Tester: Fixed generation of one-minute data at open prices if the volume is equal to 1.
12. Tester: Fixed tickwise generation of one-minute data if the volume is equal to 3.
13. MQL4: fixed error of counter initialization of Mathrand() at the start of start() function.

New MetaTrader 4 Mobile and MetaTrader 4 Mobile SE build 207: Fixed error of cancellation of order.

New MetaTrader 4 MultiTerminal build 205: Fixed error of wrong summary of accounts history.

New MetaTrader 4 build 205 has been released.

What's new:
1. MQL4: Fixed operation of function WindowFirstVisibleBar() if it is called from function init() of a custom indicator.
2. MQL4: Improved code optimization.
3. Tester: Improved algorithm of economical recalculation of indicators.
4. Tester: Fixed modelling of nonstandard bars (for example, a 4-hour bar starting at 23:00), in case the data of this timeframe are requested at testing on data for the same symbol, but on another timeframe.
5. Tester: Fixed tickwise generation for non standard bars (for example, 23-hour bars within 4-hour timeframe).
6. Tester: Arrows for orders now contain the order number and its magic number in their descriptions.
7. Tester: Fixed error resulted in the terminal crashes after the testing conditions have been changed.
8. Fixed displaying of the «Text» object after a time coordinate has been manually changed in the object properties table.
9. Added direct links to MQL4.community from the client terminal/MetaEditor «Help» menus. Added link to the online library from the «Navigator» window of the client terminal.
10. Fixed highlighting of StopLoss and TakeProfit levels of open positions if the price is specified with the accuracy to five decimal places.
11. Enhanced protection of files containing information about accounts and passwords of the client terminal, as well as those stored in the terminal internal mailing system.
12. History Center: Fixed error in loading symbols of the #MSFT kind.
13. Fixed processing of inputs for Expert Advisors, scripts and custom indicators belonging to the ’string’ type and containing the string of zero length.

New MetaTrader 4 build 203 has been released.

What's new:
1. Corrected drawing of object FiboFan based on closely-located anchoring points.
2. Tester: Added checking for pass counter overflow in optimizer.
3. Tester: More economical use of memory when generating a testing sequence.
4. Tester: More economical use of memory when accessing data of other symbols and/or timeframes.
5. Tester: Fixed error of repeated access to improper data, the charts of which have not been previously opened. The error resulted in considerable testing delay.
6. Tester: Fixed error of margin call calculation in function init().
7. Tester: Fixed charging of swaps at partial closing of positions using function OrderCloseBy.
8. Tester: Fixed error of spread determining in some cases of «floating» spread.
9. MQL4: Fixed error of correct definition of the end-of-file state when reading csv files.
10. MQL4: Fixed error of memory leak when comparing strings.
11. MQL4: Fixed error of processing the default parameter chart_scale in function WindowScreenShot().
12. MQL4: Fixed error of memory leak in functions having parameters of ’string’ type that are initialized by default (Expert Advisors’ recompiling is required).
13. MQL4: Fixed error of time determining by function TimeLocal for time zones without Daylight Saving Time.
14. HistoryCenter: Fixed error of deleting initial data from History Center.
15. MetaEditor: Revised Dictionary.
16. Fixed errors detected using crash logs.
17. Added Czech language.
18. Added help file of the client terminal in Chinese (Simplified).

New MetaTrader 4 build 202, MetaTrader 4 Mobile build 202 and MetaTrader 4 MultiTerminal build 203

What's new in MetaTrader 4 build 202:
1. Improved balance chart drawing in the detailed trade history report.
2. Fixed Andrews' Pitchfork drawing, in the case of anchoring points close to each other.
3. Added support of connection via HTTP proxy server when downloading quotes from the History Data Server.
4. Fixed calculation of margin requirements to hedged positions when using the initial margin.
5. Fixed WindowScreenShot function hang-up for charts with fixed scales.
6. Tester: In case of no connection during generation of fxt files, the system tries to get the latest known parameters instead of substituting default values.
7. MQL4: Fixed error of exact search in function iBarShift where there is no a corresponding bar.
8. MQL4: Eliminated the too severe type check for the 'switch' operator .
9. MQL4: Added check for availability of the expression after the assignment operation.
10. MQL4: Error opening file for reading message is not output in the journal of Expert Advisors.
11. Tester: Added harder size limits for the generated sequence. If the initial date is set at testing, at most 1000 bars before the initial date will get into the sequence.
12. Added feature that allows to modify the Client Terminal window using hot keys Ctrl-left arrow and Ctrl-right arrow.
13. Updated custom indicator ZigZag.
14. MetaEditor: Modified search in the online mql4 code base. The search is case-insensitive now.
15. Updating based on crash-logs.

In the MetaTrader 4 Mobile build 202 and in the MetaTrader 4 MultiTerminal build 203, corrected calculation of margin requirements to hedged positions when using the initial margin.

New MetaTrader 4 build 201 has been released.

What’s new:
1. Fixed terminal close-down at the moment of visual testing.
2. Fixed opening of orders by Expert Advisors in the «Market execution» mode.
3. Improved working of dialog windows controlling orders and trailing stops considering the symbol tick size.
4. Tester: Fixed swap calculation for some symbols.
5. Tester: Fixed triple swap calculation in the re-opening mode.
6. Tester: At force termination of testing, the Expert Advisor gets the deinitialization reason as «window closed».
7. Tester: Added price normalization for StopLoss and TakeProfit levels.
8. Fixed error of indicators recalculation when the chart window is resized.
9. Improved working with History Center.
10. Improved working of the chart tabs.
11. Revised MetaEditor Dictionary.

Updated MetaTrader 4 Mobile build 201 and MetaTrader 4 MultiTerminal build 201 have been released.

What's new in MetaTrader 4 Mobile:
1. Improved work with account history.
2. Added new interface languages: Chinese (Simplified) and Chinese (Traditional).

What's new in MetaTrader 4 MultiTerminal:
1. Improved work of «Market Watch» window.
2. Added new interface languages: Chinese (Simplified) and Chinese (Traditional).

New MetaTrader 4 build 200 has been released.

What’s new:
1. Removed Multilanguage Pack, the distributive size decreased to 3 MByte;
2. Added feature to manage bookmarks of charts bar;
3. Tester: Reduced limitations on the amount of passes in genetic optimization (minimum 200 passes);
4. Tester: Imrpoved fractal modeling of a bar. Now more smoothed patterns are used to model price movements;
5. Tester: Fixed free margin calculation, which was incorrect in some cases;
6. Tester: Fixed stopuot status calculation, in case of the absolute level, not a percent one;
7. Tester: Added the margin_stopout_mode parameter in the FXT file heading structure, the heading size not being changed. The version number became 403;
8. Tester: Corrected drawing of the Ask line at visual testing in the pause status;
9. Tester: Fixed execution of deinit function of expert advisor at stop of testing;
10. MQL4: Improved working with temporary variables of the ’string’ type;
11. MQL4: Added functions: AccountFreeMarginMode, AccountStopoutMode, AccountStopoutLevel, AccountFreeMarginCheck;
12. MQL4: Added functions: IsVisualMode, TerminalPath, WindowExpertName, WindowPriceMin, WindowPriceMax, GlobalVariablesTotal, GlobalVariableName;
13. MQL4: Changed operation logic of the GlobalVariablesDeleteAll function — it is now possible to specify the prefix for mass deletion of global variables;
14. MQL4: In the MarketInfo function, added identifiers: MODE_SWAPTYPE, MODE_PROFITCALCMODE, MODE_MARGINCALCMODE, MODE_MARGININIT, MODE_MARGINMAINTENANCE, MODE_MARGINHEDGED, MODE_MARGINREQUIRED;
15. MQL4: Due to functions restructuring, renamed the following functions: PriceOnDropped, TimeOnDropped, FirstVisibleBar, BarsPerWindow, ScreenShot, HistoryTotal, CompanyName, ClientTerminalName, ServerAddress, Lowest, Highest, CurTime, LocalTime;
16. MetaEditor: Due to functions renaming, added the «Outdated Functions» section into the Dictionary;
17. Added the ray property to the object named Fibo Expansion;
18. Fixed and improved scanning of servers when connection is broken;
19. Added downloading and import of data in the History Center;
20. Fixed saving of the objects’ default flag named background;
21. Fixed saving of charts multiline comments in configuration files;
22. Added a sound file notifying about that testing is over;
23. Improved displaying of empty databases in History Center — after the first call, data are pumped and displayed;
24. Strongly accelerated working with databases on huge arrays of historical data;
25. Strongly accelerated operation of deleting large amounts of historical data from History Center, fixed error of re-offsetting the history just deleted;
26. Fixed small errors in trade logs output.

MetaTrader MetaTrader 4 Mobile build 198 has been released.

What's new:
1. Fixed the choice of access points of the trade server.
2. Improved the scanning servers at opening the demo-account.
3. Redesigned all dialogues for devices with screen resolutions 240С…240 or 480С…480.
4. Fixed saving of Fractal indicator properties.

New MetaTrader 4 Mobile build 197 has been released.

What's new:
1. Fixed sorting and choice of access points of the trade server.
2. Improved working of the terminal through Data Centers.

New MetaTrader 4 build 198 has been released.

What's new:
1. Fixed sorting and choice of access points of the trade server.
2. Improved working of the terminal through Data Centers.
3. Fixed Expert initialization error when there is no connection.
4. Improved the way of how the deleted chart template names are created.
5. Tester: Fixed drawing of the Ask line in visual testing.
6. Tester: Added feature to stop/continue visual testing using the Pause button.
7. Tester: Inversed the procedure of checking stop orders. Now, the StopLoss is checked and then the TakeProfit. This is very important when using the В«Open price onlyВ» model.
8. Tester: Changed the algorithm of memory allocation when optimized.
10. Tester: Fixed checking of free margin when pending orders trigger.
11. Tester: Fixed generation of html reports.
12. Tester: Fixed genetic optimization operation with a very large amount of passes.
13. Tester: Added feature to sort by parameters to the list of optimization results.
14. Tester: Fixed error when the visual testing window is being closed.
15. MQL4: Fixed ex4-files optimization errors.
16. MQL4: The StrToTime() function also considers seconds now.
17. MQL4: Fixed working of Expert Advisors on custom arrays that change their sizes.
18. MQL4: Added a non-obligatory parameter 'arrow color' to the OrderDelete() function.
19. MQL4: Fixed error of memory leak when string parameters are passed to the function.
20. MetaEditor: Added support of viewing articles of the website https://www.mql5.com/en/articles/mt4 directly in MetaEditor.
21. Added Slovak interface.
22. Updated the Help File.

MetaTrader 4 build 197 has been released.

What's new:
1. Fixed error of switching the period for the charts with attached expert.
2. Fixed charts bar switching.
3. Fixed error of trade context emptying after timeout.
4. MQL4: Fixed error of the code optimizer.