Some of the few advantages of using Firebird 3.0.x is that performance was greatly improved vs 2.5.x

Here are a few related performance/tunning articles

In the first article Vlad does quite a few benchmarks between Firebird 2.5/3.0.0/3.0.2 releases . It's very nice that minor releases brings free speedups. He also shows Firebird 3.0.3 performance related changes and fixes and the future ones that are already in Firebird 4
 
 Firebird Performance, by Vlad Khorsun, Firebird Project
 Tuning Linux, Windows, and Firebird for heavy workload by Alex Kovyazin, IBSurgeon.
 Firebird 3: New in Database Statistics and New SQL execution plans, by Dmitry Kuzmenko, IBSurgeon
 Advanced Firebird Trace API, by Vlad Horsun, Firebird Project

Firebird 3.0.3 Binary kits for macOS on both 32-bit and 64-bit platforms are immediately available for download

Firebird 3.0.3 Binary kits for macOS on both 32-bit and 64-bit platforms are immediately available for download

Firebird 3.0.3 sub-release is available

Firebird Project is happy to announce general availability of Firebird 3.0.3 — the third point release in the Firebird 3.0 series.

This sub-release offers many bug fixes (including fix for a recently reported security vulnerability) and also adds a few minor features and improvements, please refer to the Release Notes for the full list of changes. Binary kits for Windows and Linux on both 32-bit and 64-bit platforms are immediately available for download.

ps: Mac OS builds are coming soon

In 2017, The Document Foundation (TDF) launched four tenders aimed at improving LibreOffice. Tender four is of interest to the Firebird community

In 2017, The Document Foundation (TDF) launched four tenders aimed at improving LibreOffice. Tender four is of interest to the Firebird community:

(4) Tender to implement HSQLDB binary format import in LibreOffice

(https://blog.documentfoundation.org/blog/2017/05/04/tender-implement-hsqldb-binary-format-import-libreoffice-201705-03/)


Collabora will develop a mechanism to import database files with high fidelity from the HSQLDB binary file format, which has been used inside many existing ODB files, by reading the Java serialization code, and writing a filter to import all data into LibreOffice Base. The objective is to remove the legacy Java/HSQLDB database and move to Firebird.


TDF will invest € 29,750.00