安全
Fixed a potential object injection in Cache Library ‘apc’ driver when save() is used with $raw = TRUE (thanks to Tomas Bortoli).
常规更新
Deprecated Cache Library Library driver ‘apc’.
Updated the Session Library ‘redis’, ‘memcached’ drivers to reduce the potential of a locking race conditions.
3.1.6 版本的 Bug 修复
Loader Library method library() ignored requests to load libraries previously assigned to super-object properties named differently than the library name.
Query Builder method count_all_results() produced erroneous queries on Microsoft SQL Server when ORDER BY clauses are cached.
Profiler didn’t wrap $_SESSION and configuration arrays in
tags.
Database Library method is_write_type() didn’t return TRUE for MERGE statements.
Fixed a bug where Image Manipulation Library didn’t escape image source paths passed to NetPBM as shell arguments.
Query Builder methods limit(), offset() break SQL Server 2005, 2008 queries with "".* in the SELECT clause.
Database Library method version() didn’t work with the ‘pdo/dblib’ driver.
Database transactions status wasn’t reset unless trans_complete() was called.
Database Utilities method backup() generated incorrect INSERT statements with the ‘mysqli’ driver.
Fixed a bug where Database Results method field_data() didn’t parse field types with the ‘mysqli’ driver.
软件详情：https://www.codeigniter.com/user_guide/changelog.html
下载地址：https://github.com/bcit-ci/CodeIgniter/archive/3.1.6.zip
来自:开源中国社区