LSP Plugins 1.2.8 released!

This is a pretty hard release because we introduce four new plugin series!

• Implemented GOTT (Grand Over-The-Top) Compressor plugin series.
• Implemented Filter plugin series.
• Implemented Flanger plugin series.
• Implemented Multiband Limiter plugin series.
• Implemented high-precision oversampling algorithms for Oscilloscope plugin series.
• Updated default values for file selectors in Impulse Responses and Impulse Reverb plugin series.
• Added generation of explicit element definitions for LV2 groups in TTL files as a workaround to LV2 problem related to missing predefined port groups' elements.
• Added 'All' channel selector to Sampler and Multisampler plugin series which is now the default value for channel selector.
• Added missing audio preview for single-channel Sampler Plugin series.
• Adding missing output balance knobs in Impulse Reverb Mono plugin.
• Fixed improper behaviour of the bypass switch for Multiband Compressor, Expander and Dynamics Processor plugin series.
• Fixed bug in the font manager which could yield memory corrption after complete font manager cleanup (reproducible when switching visual schemas).
• Fixed memory leakage in the UI (not freed resources on UI close).
• Fixed bug in ALR function for Limiter plugin series which could cause random audio scratches.
• Fixed gain jumping bug in A/B tester plugin.
• Serveral bugfixes in the core DSP modules provided by the lsp-dsp-units library.